AM5 · ATX · Wi-Fi model · ASUS global specification
An ATX AM5 motherboard with AMD B650: four DDR5 slots rated up to DDR5-7600+ (OC), a PCIe 5.0 x4 M.2 slot, Realtek 2.5 Gb Ethernet and Wi-Fi 6E.
Specifications checked 13 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specificationsDifferent platforms: AM5 vs AM4 sockets. Each board fits only processors made for its socket. DDR5 and DDR4 memory are not interchangeable.
Choose the ASUS PRIME B650-PLUS WIFI for
Choose the MSI B550-A PRO for
AM4 · ATX · DDR4 · board-only configuration · MSI global specification
An ATX AM4 motherboard with AMD B550: four DDR4 slots rated up to DDR4-4800 (OC), a PCIe 4.0 x16 graphics slot, two M.2 slots (one PCIe 4.0 x4), six SATA ports and Realtek 1 Gb Ethernet.
Specifications checked 7 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
Plan the complete platform. Check the exact CPU-support list, required BIOS and memory validation before buying. PCIe generations and lane allocations can change with the processor. A socket match or slot count is not a guarantee that every component works together at its highest advertised setting.
10 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsManufacturer specification · Match the exact CPU and required BIOS as well as the physical socket.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsDifferent hardware. A chip name or generation does not quantify real-world performance.
Manufacturer specification · CPU, BIOS and DIMM population determine support. Capacity is a manufacturer ceiling, not included RAM or a performance measurement. Use the exact CPU and validated-memory list.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsThe overclocked speed is MSI's 1DPC 1R maximum (MSI's A-XMP speed list itself runs to 4400+ MHz); MSI lists 1DPC 2R up to 3866, 2DPC 1R up to 4000 and 2DPC 2R up to 3600 MHz. JEDEC speeds run up to DDR4-3200. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · CPU, BIOS and DIMM population determine support. Capacity is a manufacturer ceiling, not included RAM or a performance measurement. Use the exact CPU and validated-memory list.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsManufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · M.2_1 runs at PCIe 5.0 x4 with Ryzen 9000/7000 and PCIe 4.0 x4 with Ryzen 8000; M.2_2 runs at PCIe 4.0 x4, or x2 with some Ryzen 8000 processors. Both slots take 2242–22110 drives, but ASUS's website omits 22110 for M.2_1 with Ryzen 8000 while the manual includes it. Interface limits, not measured SSD speeds.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsM2_1 connects to the CPU; M2_2 connects to the B550 chipset. · Manufacturer specification · M2_1 runs at PCIe 4.0 or 3.0 depending on the installed processor. A PCIe SSD in M2_2 disables PCI_E3.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · The CPU slot runs at x16 with Ryzen 9000/7000 and x8 or x4 with Ryzen 8000. The chipset PCIe 4.0 x4 link uses an x16-length slot; the two x1 slots also connect to the chipset. See ASUS's bifurcation table for split configurations.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsThe x4-wired long slot is PCI_E3. · Manufacturer specification · Installing a PCIe SSD in M2_2 makes PCI_E3 unavailable.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · 6 GHz availability depends on country rules, operating system and drivers. ASUS notes the Bluetooth version can vary with the wireless module. Interface rates are not measured throughput. The Wi-Fi spatial-stream count is recorded separately; the source does not name the Ethernet controller model.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsManufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · The source does not name the codec model. The separately recorded maximum playback format is a capability, not a sound-quality measurement.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsManufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsManufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M.2 generation depends on the CPU. Installing a PCIe SSD in M2_2 disables PCI_E3.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Rear-panel ports only. Link rates are manufacturer maxima, not measured throughput. Type-C does not establish display output, USB4 or a charging wattage.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsManufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Check ASUS's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsManufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.
MSI B550-A PRO — manufacturer specificationsThese descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.
Codec model is not specified; channel count and playback format cannot establish a different chip. · Manufacturer specification · The manufacturer lists a Realtek 7.1-channel HD audio codec without its model.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Output routing depends on the channel configuration; the jack count does not indicate audio quality.
Official motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer-stated maximum playback capability; not an independent audio-quality measurement.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Flash capacity is in megabits, not megabytes; this is not a firmware version or CPU-support approval.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Button presence only. Recovery procedure and USB preparation require the exact manual.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · 4-pin headers with configurable PWM/DC control. CPU_FAN and CPU_OPT share control; AIO_PUMP defaults to full speed. See individual current limits.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Q-LED Core signals POST problems through power-LED blink patterns; there are no separate diagnostic LEDs or a POST-code display.
Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · The installed CPU must provide a supported display-output configuration; check its integrated graphics, display and cable. These output modes do not establish gaming performance.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · ECC modules run in non-ECC mode, so error correction is not active.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Controller model is not specified; a generic Ethernet capability cannot establish a different chip. · Manufacturer specification · The manufacturer identifies Realtek 2.5 Gb Ethernet but omits the controller model.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Plan storage drives and expansion cards together; this restriction applies to this board's slot wiring.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Temperature-based fan control requires compatible connected hardware and appropriate configuration. Software availability is not an independent noise or cooling measurement.
Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Per-header maximum at 12 V. Connected fans and accessories must remain within the relevant header limit; these are not measured power consumption figures.
Official motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Board headers, not supplied fans or an assertion of current limits.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · CPU, memory and BIOS support apply; overclocking results are not guaranteed. AEMP targets PMIC-restricted memory modules; this does not promise every kit supports the same settings.
Official product features and exact model galleryNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · ASUS lists a BIOS FlashBack button. Follow the model-specific procedure and use the correct firmware; a button alone does not establish support for every CPU. The manual specifies the exact rear USB port and firmware name: PB650PSW.CAP (or BIOSRenamer), with ATX power; the overview confirms operation without CPU or RAM.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer cooling design, not measured temperatures. The supplied M.2 heatsink can cover M.2_1 or M.2_2; it does not establish two included SSD heatsinks. Captive screws secure it.
Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer package list, not a current retailer contents guarantee. Documentation is also included; verify the exact regional listing and replacement/open-box contents.
Official motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
MSI labels these memory speeds in MHz (manufacturer notation); they are the rated data rates. · Manufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Overclocking is not guaranteed. CPU, BIOS, memory kit and population determine the usable profile. ASUS requires checking its memory support list and CPU-specific conditions.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer support listing, not a guarantee of current operating-system security updates or every driver feature.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · ASUS describes a six-layer PCB for this board. Layer count is a construction fact, not an overall quality or performance score.
Official product features and exact model galleryNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · PCIe 4.0 or 3.0 depending on the installed processor; not a measured graphics performance result.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Connector types and counts are not a whole-system PSU wattage recommendation. Use the exact manual and matching PSU cables.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · ASUS does not publish the power-stage count.
Official product features and exact model galleryNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · AIO_PUMP: 12 W at 12 V; full-speed default. This is the header limit, not PSU capacity.
Official motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · The rear Type-C port is rated 10 Gb/s, so the board has no 20 Gb/s rear USB-C port.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Addressable and analogue RGB connectors are different; verify the manual and voltage before connecting lighting. The manual separates 5 V addressable headers (3 A, combined maximum 500 LEDs) from the 12 V Aura RGB header (3 A, up to 3 m).
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · The manual uses screws, with separate pads for single- and double-sided drives. ASUS does not list a tool-free M.2 latch for this board.
Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Verify supported CPU, drives and required drive count. The listing does not imply that every RAID mode can be built using only the two onboard M.2 positions.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Excludes CPU and pump headers. Verify header current limits before attaching hubs or multiple fans.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · This is an internal header for an add-on card, sold separately with its cables, not a rear USB4 port. ASUS's manual requires the card in PCIEX16_2; check the card's compatibility with this board.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible case ports and cabling; not rear sockets.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Counts describe supported front-panel ports, not header housings. Matching case ports and cables are required; these are not rear-panel connectors.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer-listed 2×2 Wi-Fi 6E configuration; actual performance depends on the access point and conditions.
ASUS PRIME B650-PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
3 shared fields have the same recorded value.
| Specification | ASUS PRIME B650-PLUS WIFI | MSI B550-A PRO |
|---|---|---|
CPU socketDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI B550-A PRO — manufacturer specifications | AM5 | AM4 |
ChipsetDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification ASUS PRIME B650-PLUS WIFI — manufacturer specifications | AMD B650 | AMD B550 |
Form factor SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI B550-A PRO — manufacturer specifications | ATX; 305 × 244 mm | ATX; 305 × 244 mm |
Supported CPU familiesDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Check ASUS's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO Manufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board. MSI B550-A PRO — manufacturer specifications | AMD Ryzen 9000 / 8000 / 7000 Series | AMD Ryzen 5000 / 3000 Series (except Ryzen 5 3400G and Ryzen 3 3200G) and 4000 G-Series |
Listed operating systems SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Manufacturer support listing, not a guarantee of current operating-system security updates or every driver feature. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | Windows 11 64-bit; Windows 10 64-bit | Not provided |
Firmware type SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Flash capacity is in megabits, not megabytes; this is not a firmware version or CPU-support approval. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | 256 Mb flash ROM; UEFI AMI BIOS | Not provided |
PCB layers SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · ASUS describes a six-layer PCB for this board. Layer count is a construction fact, not an overall quality or performance score. Official product features and exact model galleryMSI B550-A PRO No source recorded. | 6 | Not provided |
Advertised voltage regulation SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · ASUS does not publish the power-stage count. Official product features and exact model galleryMSI B550-A PRO No source recorded. | Digi+ digital VRM | Not provided |
Rear Flash BIOS button SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · Button presence only. Recovery procedure and USB preparation require the exact manual. MSI B550-A PRO — manufacturer specifications | Not provided | Yes |
Memory type, slots and limitDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · CPU, BIOS and DIMM population determine support. Capacity is a manufacturer ceiling, not included RAM or a performance measurement. Use the exact CPU and validated-memory list. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO The overclocked speed is MSI's 1DPC 1R maximum (MSI's A-XMP speed list itself runs to 4400+ MHz); MSI lists 1DPC 2R up to 3866, 2DPC 1R up to 4000 and 2DPC 2R up to 3600 MHz. JEDEC speeds run up to DDR4-3200. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable. MSI B550-A PRO — manufacturer specifications | 4 DDR5 DIMM slots; dual channel; up to 192 GB; up to DDR5-7600+ (OC); AMD EXPO; ECC and non-ECC unbuffered | 4 DDR4 DIMM slots; dual channel; up to 128 GB; up to DDR4-4800 (OC); A-XMP; non-ECC unbuffered |
Maximum listed memoryDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · CPU, BIOS and DIMM population determine support. Capacity is a manufacturer ceiling, not included RAM or a performance measurement. Use the exact CPU and validated-memory list. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable. MSI B550-A PRO — manufacturer specifications | 192 GB | 128 GB |
DIMM slots SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Physical DDR5 module positions. Check the manual for population order; DDR4 modules are not interchangeable. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI B550-A PRO — manufacturer specifications | 4 | 4 |
Advertised memory profiles and configuration limits SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Overclocking is not guaranteed. CPU, BIOS, memory kit and population determine the usable profile. ASUS requires checking its memory support list and CPU-specific conditions. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | DDR5-7600+(OC), with lower listed OC profiles; 5200/5000/4800 without the OC suffix | Not provided |
Published memory OC configurations SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO MSI labels these memory speeds in MHz (manufacturer notation); they are the rated data rates. · Manufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support. MSI B550-A PRO — manufacturer specifications | Not provided | 1DPC 1R up to 4800; 1DPC 2R up to 3866; 2DPC 1R up to 4000; 2DPC 2R up to 3600 |
ECC module operating mode SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · ECC modules run in non-ECC mode, so error correction is not active. MSI B550-A PRO — manufacturer specifications | Not provided | ECC UDIMM supported in non-ECC mode |
Storage interfacesDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · M.2_1 runs at PCIe 5.0 x4 with Ryzen 9000/7000 and PCIe 4.0 x4 with Ryzen 8000; M.2_2 runs at PCIe 4.0 x4, or x2 with some Ryzen 8000 processors. Both slots take 2242–22110 drives, but ASUS's website omits 22110 for M.2_1 with Ryzen 8000 while the manual includes it. Interface limits, not measured SSD speeds. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO M2_1 connects to the CPU; M2_2 connects to the B550 chipset. · Manufacturer specification · M2_1 runs at PCIe 4.0 or 3.0 depending on the installed processor. A PCIe SSD in M2_2 disables PCI_E3. MSI B550-A PRO — manufacturer specifications | 1 × M.2 PCIe 5.0 x4; 1 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s | 1 × M.2 PCIe 4.0 x4; 1 × M.2 PCIe 3.0 x4; M2_1 also supports SATA; 6 × SATA 6 Gb/s |
Onboard M.2 storage slots SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · M.2_1 runs at PCIe 5.0 x4 with Ryzen 9000/7000 and PCIe 4.0 x4 with Ryzen 8000; M.2_2 runs at PCIe 4.0 x4, or x2 with some Ryzen 8000 processors. ASUS's website omits 22110 drives for M.2_1 with Ryzen 8000 while the manual includes them. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO Manufacturer specification · Onboard M.2 storage positions only. M.2 generation depends on the CPU. Installing a PCIe SSD in M2_2 disables PCI_E3. MSI B550-A PRO — manufacturer specifications | 2 | 2 |
SATA storage portsDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M.2 generation depends on the CPU. Installing a PCIe SSD in M2_2 disables PCI_E3. MSI B550-A PRO — manufacturer specifications | 4 | 6 |
Listed storage RAID modes SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Verify supported CPU, drives and required drive count. The listing does not imply that every RAID mode can be built using only the two onboard M.2 positions. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | RAIDXpert2: SATA and PCIe RAID 0/1/10 | Not provided |
M.2 drive retention SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · The manual uses screws, with separate pads for single- and double-sided drives. ASUS does not list a tool-free M.2 latch for this board. Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | M.2 screws and rubber pads | Not provided |
SATA RAID modes SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI B550-A PRO — manufacturer specifications | Not provided | RAID 0/1/10 |
NVMe RAID modes SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI B550-A PRO — manufacturer specifications | Not provided | RAID 0/1 |
Expansion slots and electrical linksDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · The CPU slot runs at x16 with Ryzen 9000/7000 and x8 or x4 with Ryzen 8000. The chipset PCIe 4.0 x4 link uses an x16-length slot; the two x1 slots also connect to the chipset. See ASUS's bifurcation table for split configurations. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO The x4-wired long slot is PCI_E3. · Manufacturer specification · Installing a PCIe SSD in M2_2 makes PCI_E3 unavailable. MSI B550-A PRO — manufacturer specifications | 1 × PCIe 4.0 x16; 1 × PCIe 4.0 x4; 2 × PCIe 4.0 x1 | 1 long PCIe 3.0 slot wired x4; 2 PCIe 3.0 x1 slots |
Primary expansion-slot link SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · PCIe 4.0 or 3.0 depending on the installed processor; not a measured graphics performance result. MSI B550-A PRO — manufacturer specifications | Not provided | PCI_E1: PCIe 4.0 x16 |
Expansion/storage lane sharing SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · Plan storage drives and expansion cards together; this restriction applies to this board's slot wiring. MSI B550-A PRO — manufacturer specifications | Not provided | Installing a PCIe SSD in M2_2 makes PCI_E3 unavailable. |
Motherboard display outputs SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · The installed CPU must provide a supported display-output configuration; check its integrated graphics, display and cable. These output modes do not establish gaming performance. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | HDMI 2.1: up to 4K 60 Hz; DisplayPort 1.4: up to 8K 60 Hz | Not provided |
Onboard audio hardwareDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · The source does not name the codec model. The separately recorded maximum playback format is a capability, not a sound-quality measurement. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised. MSI B550-A PRO — manufacturer specifications | Realtek 7.1-channel HD audio | Realtek ALC892 or ALC897 codec; 7.1-channel |
Rear-panel USB connectionsDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Rear-panel ports only. Link rates are manufacturer maxima, not measured throughput. Type-C does not establish display output, USB4 or a charging wattage. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power. MSI B550-A PRO — manufacturer specifications | 2 USB-A USB 2.0; 2 USB-A 5 Gb/s; 3 USB-A 10 Gb/s; 1 USB-C 10 Gb/s | 4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 10 Gb/s Type-A; 1 USB 10 Gb/s Type-C |
USB connections supported by internal headers SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Counts describe supported front-panel ports, not header housings. Matching case ports and cables are required; these are not rear-panel connectors. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | 4 USB 2.0 ports; 2 USB 5 Gb/s ports; 1 USB-C 5 Gb/s port | Not provided |
Rear USB-C 20 Gb/s ports SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · The rear Type-C port is rated 10 Gb/s, so the board has no 20 Gb/s rear USB-C port. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | 0 | Not provided |
Thunderbolt / USB4 expansion header SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · This is an internal header for an add-on card, sold separately with its cables, not a rear USB4 port. ASUS's manual requires the card in PCIEX16_2; check the card's compatibility with this board. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | 1 internal Thunderbolt (USB4) header | Not provided |
Rear audio connections SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Output routing depends on the channel configuration; the jack count does not indicate audio quality. Official motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | 5 analogue audio jacks; optical S/PDIF output | Not provided |
Maximum published audio playback format SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Manufacturer-stated maximum playback capability; not an independent audio-quality measurement. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | Up to 24-bit/192 kHz | Not provided |
Processor-dependent display outputs SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor. MSI B550-A PRO — manufacturer specifications | Not provided | HDMI 2.1 and DisplayPort: up to 4096×2160 at 60 Hz |
Front USB header capacity SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · Requires compatible case ports and cabling; not rear sockets. MSI B550-A PRO — manufacturer specifications | Not provided | 4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 5 Gb/s Type-C |
Network interfacesDifferent SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · 6 GHz availability depends on country rules, operating system and drivers. ASUS notes the Bluetooth version can vary with the wireless module. Interface rates are not measured throughput. The Wi-Fi spatial-stream count is recorded separately; the source does not name the Ethernet controller model. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO Manufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board. MSI B550-A PRO — manufacturer specifications | Realtek 2.5 Gb Ethernet; Wi-Fi 6E; Bluetooth 5.3 | Realtek 8111H 1 Gb Ethernet |
Wi-Fi spatial streams SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Manufacturer-listed 2×2 Wi-Fi 6E configuration; actual performance depends on the access point and conditions. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | 2×2 | Not provided |
Rear BIOS flash button SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · ASUS lists a BIOS FlashBack button. Follow the model-specific procedure and use the correct firmware; a button alone does not establish support for every CPU. The manual specifies the exact rear USB port and firmware name: PB650PSW.CAP (or BIOSRenamer), with ATX power; the overview confirms operation without CPU or RAM. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | Yes | Not provided |
System/chassis fan headers SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Excludes CPU and pump headers. Verify header current limits before attaching hubs or multiple fans. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | 3 | Not provided |
CPU and pump headers SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · 4-pin headers with configurable PWM/DC control. CPU_FAN and CPU_OPT share control; AIO_PUMP defaults to full speed. See individual current limits. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | 1 CPU fan header; 1 CPU OPT header; 1 AIO pump header | Not provided |
Motherboard power connectors SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Connector types and counts are not a whole-system PSU wattage recommendation. Use the exact manual and matching PSU cables. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | 1 × 24-pin ATX; 1 × 8-pin CPU power | Not provided |
Lighting headers SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Addressable and analogue RGB connectors are different; verify the manual and voltage before connecting lighting. The manual separates 5 V addressable headers (3 A, combined maximum 500 LEDs) from the 12 V Aura RGB header (3 A, up to 3 m). ASUS PRIME B650-PLUS WIFI — manufacturer specificationsOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | 3 addressable Gen 2 headers; 1 Aura RGB header | Not provided |
Pump header maximum current SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · AIO_PUMP: 12 W at 12 V; full-speed default. This is the header limit, not PSU capacity. Official motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | 1 A | Not provided |
Fan header electrical limits SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Per-header maximum at 12 V. Connected fans and accessories must remain within the relevant header limit; these are not measured power consumption figures. Official motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | CPU_FAN, CPU_OPT and each CHA_FAN1–3: 1 A / 12 W | Not provided |
Board and SSD cooling SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Manufacturer cooling design, not measured temperatures. The supplied M.2 heatsink can cover M.2_1 or M.2_2; it does not establish two included SSD heatsinks. Captive screws secure it. Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | VRM and chipset heatsinks; one movable M.2 heatsink | Not provided |
Startup diagnostics SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Q-LED Core signals POST problems through power-LED blink patterns; there are no separate diagnostic LEDs or a POST-code display. Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | Q-LED Core using the chassis power LED | Not provided |
Fan-control tools SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Temperature-based fan control requires compatible connected hardware and appropriate configuration. Software availability is not an independent noise or cooling measurement. Official product features and exact model galleryOfficial motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | UEFI Q-Fan; Fan Xpert 2+ | Not provided |
Firmware tuning features SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · CPU, memory and BIOS support apply; overclocking results are not guaranteed. AEMP targets PMIC-restricted memory modules; this does not promise every kit supports the same settings. Official product features and exact model galleryMSI B550-A PRO No source recorded. | EXPO, AEMP and PBO tuning | Not provided |
Listed box accessories SourcesASUS PRIME B650-PLUS WIFI Manufacturer specification · Manufacturer package list, not a current retailer contents guarantee. Documentation is also included; verify the exact regional listing and replacement/open-box contents. Official motherboard user manual; exact model and connector diagramsMSI B550-A PRO No source recorded. | 2 SATA cables; Wi-Fi moving antenna; I/O shield; M.2 rubber and screw packages | Not provided |
Cooling headers SourcesASUS PRIME B650-PLUS WIFI No source recorded. MSI B550-A PRO Manufacturer specification · Board headers, not supplied fans or an assertion of current limits. MSI B550-A PRO — manufacturer specifications | Not provided | 1 CPU; 1 pump; 6 system fan headers |
Ethernet controller model SourcesASUS PRIME B650-PLUS WIFI Controller model is not specified; a generic Ethernet capability cannot establish a different chip. · Manufacturer specification · The manufacturer identifies Realtek 2.5 Gb Ethernet but omits the controller model. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | Not listed by the manufacturer | Not provided |
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Onboard audio codec model SourcesASUS PRIME B650-PLUS WIFI Codec model is not specified; channel count and playback format cannot establish a different chip. · Manufacturer specification · The manufacturer lists a Realtek 7.1-channel HD audio codec without its model. ASUS PRIME B650-PLUS WIFI — manufacturer specificationsMSI B550-A PRO No source recorded. | Not listed by the manufacturer | Not provided |
Closest motherboards to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
