AM5 · Micro-ATX · DDR5 · board-only configuration · MSI global specification
A Micro-ATX AM5 motherboard with AMD B650: four DDR5 slots rated up to DDR5-7200+ (OC), a PCIe 4.0 x16 graphics slot, two PCIe 4.0 x4 M.2 slots and Realtek 8125BG 2.5 Gb Ethernet.
Specifications checked 21 Sept 2026.
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Manufacturer specifications5 verified differences, led by Expansion slots and electrical links, network interfaces and processor-dependent display outputs. Compared in full below. Not a rating.
AM5 · Micro-ATX · DDR5 · board-only configuration · MSI global specification
A Micro-ATX AM5 motherboard with AMD B650: four DDR5 slots rated up to DDR5-7200+ (OC), two CPU-connected PCIe 4.0 x4 M.2 slots, Realtek 2.5 Gb Ethernet and AMD Wi-Fi 6E with Bluetooth 5.3.
Specifications checked 7 Sept 2026.
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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.
PCI_E1 connects to the CPU; PCI_E2 and PCI_E3 connect to the chipset. · Manufacturer specification · Electrical link widths, not a guarantee of the installed system's performance. The x16 slot runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300.
PCI_E1 connects to the CPU; PCI_E2 and PCI_E3 connect to the chipset. · Manufacturer specification · Electrical link widths, not installed-system performance. The PCIe 4.0 x4 link uses an x16-length slot. The x16 slot runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300.
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.
5 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.
PCI_E1 connects to the CPU; PCI_E2 and PCI_E3 connect to the chipset. · Manufacturer specification · Electrical link widths, not a guarantee of the installed system's performance. The x16 slot runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300.
MSI PRO B650M-P — manufacturer specificationsPCI_E1 connects to the CPU; PCI_E2 and PCI_E3 connect to the chipset. · Manufacturer specification · Electrical link widths, not installed-system performance. The PCIe 4.0 x4 link uses an x16-length slot. The x16 slot runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300.
MSI PRO B650M-A WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board.
MSI PRO B650M-P — manufacturer specificationsMSI’s specification page and datasheet both name the Realtek 8125BG Ethernet controller and Bluetooth 5.3. The user guide names the same Realtek 8125BG controller but lists Bluetooth 5.2, noting that the Bluetooth version may be updated and referring to the Wi-Fi chipset vendor’s website. · Manufacturer specification · 6 GHz availability depends on country rules, operating system and drivers. Link capabilities are not measured throughput. MSI says Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11; MSI's user guide lists Bluetooth 5.2 and says the Bluetooth version may be updated.
MSI PRO B650M-A WIFI — manufacturer specificationsMSI PRO B650M-A WIFI — exact model datasheetMSI PRO B650M-A WIFI / PRO B650M-A — official motherboard user guide; exact model, connectors and M.2 installationCheck the exact configuration and source conditions for your use.
Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor.
MSI PRO B650M-P — manufacturer specificationsManufacturer specification · Requires a processor with integrated graphics; supported modes depend on the CPU installed.
MSI PRO B650M-A WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
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 PRO B650M-P — manufacturer specificationsManufacturer specification · MSI lists these figures in MHz. Manufacturer OC ceilings, not guaranteed stable speed or measured performance; CPU, BIOS and memory population matter.
MSI PRO B650M-A WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power.
MSI PRO B650M-P — manufacturer specificationsManufacturer specification · MSI lists no rear USB Type-C or rear USB 2.0 port on this model.
MSI PRO B650M-A WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
No source recorded for this side.
Manufacturer specification · Manufacturer cooling design, not measured temperatures. The user guide fits the M.2 SHIELD FROZR heatsink over the M2_1 slot; its M2_2 installation steps include no heatsink. The guide also lists a K7 MOSFET thermal pad and an extra choke pad among the thermal features.
MSI PRO B650M-A WIFI — exact model datasheetMSI PRO B650M-A WIFI / PRO B650M-A — official motherboard user guide; exact model, connectors and M.2 installationEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Addressable and analogue RGB connectors are different; verify the manual and voltage before connecting lighting. The user guide lists two 4-pin 12 V JRGB connectors (3 A, up to 2 m of 5050 RGB strip) and two 3-pin 5 V JARGB_V2 A-RAINBOW V2 (ARGB Gen2) connectors (3 A, up to 240 LEDs each); connecting a 5 V ARGB strip to JRGB damages the strip.
MSI PRO B650M-A WIFI — manufacturer specificationsMSI PRO B650M-A WIFI / PRO B650M-A — official motherboard user guide; exact model, connectors and M.2 installationEvidence is missing or conflicting on at least one side. This is not a verified difference.
18 shared fields have the same recorded value.
| Specification | MSI PRO B650M-P | MSI PRO B650M-A WIFI |
|---|---|---|
CPU socket SourcesMSI PRO B650M-P Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI PRO B650M-A WIFI — manufacturer specifications | AM5 | AM5 |
Chipset Sources | AMD B650 | AMD B650 |
Form factor SourcesMSI PRO B650M-P Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI PRO B650M-A WIFI — manufacturer specifications | Micro-ATX; 243.84 × 243.84 mm | Micro-ATX; 243.84 × 243.84 mm |
CPU support / BIOS source SourcesMSI PRO B650M-P 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 PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI 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 PRO B650M-A WIFI — manufacturer specifications | AMD Ryzen 9000 / 8000 / 7000 Series | AMD Ryzen 9000 / 8000 / 7000 Series |
Rear Flash BIOS button SourcesMSI PRO B650M-P Manufacturer specification · Button presence only. Recovery procedure and USB preparation require the exact manual. MSI PRO B650M-P — manufacturer specifications | Yes | Yes |
Memory type, slots and limit SourcesMSI PRO B650M-P The overclocked speed is MSI's 1DPC 1R maximum; MSI lists 1DPC 2R and 2DPC 1R up to 6000+ and 2DPC 2R up to 5400+ MHz. JEDEC default is DDR5-4800. · 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. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI The overclocked speed is MSI's 1DPC 1R maximum; MSI lists 1DPC 2R and 2DPC 1R up to 6000+ and 2DPC 2R up to 5400+ MHz. · 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. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. MSI PRO B650M-A WIFI — manufacturer specifications | 4 DDR5 DIMM slots; dual channel; up to 256 GB; up to DDR5-7200+ (OC); AMD EXPO; non-ECC unbuffered | 4 DDR5 DIMM slots; dual channel; up to 256 GB; up to DDR5-7200+ (OC); AMD EXPO; non-ECC unbuffered |
Maximum listed memory SourcesMSI PRO B650M-P 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. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI 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. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. MSI PRO B650M-A WIFI — manufacturer specifications | 256 GB | 256 GB |
DIMM slots SourcesMSI PRO B650M-P Manufacturer specification · Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI PRO B650M-A WIFI — manufacturer specifications | 4 | 4 |
Published memory OC configurationsDifferent SourcesMSI PRO B650M-P 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 PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · MSI lists these figures in MHz. Manufacturer OC ceilings, not guaranteed stable speed or measured performance; CPU, BIOS and memory population matter. MSI PRO B650M-A WIFI — manufacturer specifications | 1DPC 1R up to 7200+; 1DPC 2R / 2DPC 1R up to 6000+; 2DPC 2R up to 5400+ | 1DPC 1R 7200+; 1DPC 2R 6000+; 2DPC 1R 6000+; 2DPC 2R 5400+ |
Storage interfaces SourcesMSI PRO B650M-P M2_1 connects to the CPU; M2_2 connects to the chipset. · Manufacturer specification · Both M.2 slots accept 2280/2260 drives. Check drive length and the board manual for slot-specific limits. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Both M.2 slots connect to the CPU. · Manufacturer specification · M2_2 is unavailable with Ryzen 8500/8300 processors. Both M.2 slots accept 2280/2260 drives. MSI PRO B650M-A WIFI — manufacturer specifications | 2 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s | 2 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s |
Onboard M.2 storage slots SourcesMSI PRO B650M-P Manufacturer specification · Onboard M.2 storage positions only. Both M.2 slots accept 2280/2260 drives. Verify the exact CPU, BIOS and drive compatibility. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · Onboard M.2 storage positions only. M2_2 is unavailable with Ryzen 8500/8300 processors. Both M.2 slots accept 2280/2260 drives. MSI PRO B650M-A WIFI — manufacturer specifications | 2 | 2 |
SATA storage ports SourcesMSI PRO B650M-P Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. Both M.2 slots accept 2280/2260 drives. Verify the exact CPU, BIOS and drive compatibility. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M2_2 is unavailable with Ryzen 8500/8300 processors. Both M.2 slots accept 2280/2260 drives. MSI PRO B650M-A WIFI — manufacturer specifications | 4 | 4 |
SATA RAID modes SourcesMSI PRO B650M-P Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI PRO B650M-P — manufacturer specifications | RAID 0/1/10 | RAID 0/1/10 |
NVMe RAID modes SourcesMSI PRO B650M-P Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI PRO B650M-P — manufacturer specifications | RAID 0/1 | RAID 0/1 |
Primary expansion-slot link SourcesMSI PRO B650M-P Manufacturer specification · x16 with Ryzen 9000/7000; x8 with Ryzen 8700/8600/8400; x4 with Ryzen 8500/8300. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · x16 with Ryzen 9000/7000; x8 with Ryzen 8700/8600/8400; x4 with Ryzen 8500/8300. MSI PRO B650M-A WIFI — manufacturer specifications | PCI_E1: CPU PCIe 4.0 up to x16 | PCI_E1: CPU PCIe 4.0 up to x16 |
Expansion slots and electrical linksDifferent SourcesMSI PRO B650M-P PCI_E1 connects to the CPU; PCI_E2 and PCI_E3 connect to the chipset. · Manufacturer specification · Electrical link widths, not a guarantee of the installed system's performance. The x16 slot runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI PCI_E1 connects to the CPU; PCI_E2 and PCI_E3 connect to the chipset. · Manufacturer specification · Electrical link widths, not installed-system performance. The PCIe 4.0 x4 link uses an x16-length slot. The x16 slot runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300. MSI PRO B650M-A WIFI — manufacturer specifications | 1 × PCIe 4.0 x16; 2 × PCIe 3.0 x1 | 1 × PCIe 4.0 x16; 1 × PCIe 4.0 x4; 1 × PCIe 3.0 x1 |
Onboard audio hardware SourcesMSI PRO B650M-P 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 PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI 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 PRO B650M-A WIFI — manufacturer specifications | Realtek ALC897 codec; 7.1-channel | Realtek ALC897 codec; 7.1-channel |
Processor-dependent display outputsDifferent SourcesMSI PRO B650M-P Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · Requires a processor with integrated graphics; supported modes depend on the CPU installed. MSI PRO B650M-A WIFI — manufacturer specifications | HDMI 2.1 and DisplayPort 1.4: up to 4K 60 Hz; VGA: 1920×1200 at 60 Hz | HDMI 2.1: up to 4K 60 Hz; DisplayPort 1.4: up to 4K 60 Hz |
Rear USB portsDifferent SourcesMSI PRO B650M-P Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · MSI lists no rear USB Type-C or rear USB 2.0 port on this model. MSI PRO B650M-A WIFI — manufacturer specifications | 4 USB 2.0; 2 USB 5 Gb/s Type-A; 2 USB 10 Gb/s Type-A | 4 USB 5 Gb/s Type-A; 4 USB 10 Gb/s Type-A |
Front USB header capacity SourcesMSI PRO B650M-P Manufacturer specification · Requires compatible case ports and cabling; not rear sockets. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · Requires compatible case ports and wiring; not rear-panel sockets. MSI PRO B650M-A WIFI — manufacturer specifications | 4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 10 Gb/s Type-C | 4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 10 Gb/s Type-C |
Network interfacesDifferent SourcesMSI PRO B650M-P Manufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI MSI’s specification page and datasheet both name the Realtek 8125BG Ethernet controller and Bluetooth 5.3. The user guide names the same Realtek 8125BG controller but lists Bluetooth 5.2, noting that the Bluetooth version may be updated and referring to the Wi-Fi chipset vendor’s website. · Manufacturer specification · 6 GHz availability depends on country rules, operating system and drivers. Link capabilities are not measured throughput. MSI says Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11; MSI's user guide lists Bluetooth 5.2 and says the Bluetooth version may be updated. MSI PRO B650M-A WIFI — manufacturer specificationsMSI PRO B650M-A WIFI — exact model datasheetMSI PRO B650M-A WIFI / PRO B650M-A — official motherboard user guide; exact model, connectors and M.2 installation | Realtek 8125BG 2.5 Gb Ethernet | Realtek 8125BG 2.5 Gb Ethernet; AMD Wi-Fi 6E; Bluetooth 5.3 |
Cooling headers SourcesMSI PRO B650M-P Manufacturer specification · Board headers, not supplied fans or an assertion of current limits. MSI PRO B650M-P — manufacturer specificationsMSI PRO B650M-A WIFI Manufacturer specification · MSI's user guide lists per-header maximums: CPU_FAN1 (default Auto mode) 3 A / 36 W; PUMP_FAN1 (default PWM mode) 3 A / 36 W; each of SYS_FAN1~3 (default DC mode) 2 A / 24 W. Connected fans and accessories must stay within the relevant header limit; these are header limits, not measured fan performance or power consumption. MSI PRO B650M-A WIFI — manufacturer specificationsMSI PRO B650M-A WIFI / PRO B650M-A — official motherboard user guide; exact model, connectors and M.2 installation | 1 CPU; 1 pump; 3 system fan headers | 1 CPU; 1 pump; 3 system fan headers |
Diagnostic LEDs SourcesMSI PRO B650M-P Manufacturer specification · Status LEDs, not a numeric POST display or an automatic repair guarantee. MSI PRO B650M-P — manufacturer specifications | 4 EZ Debug LEDs | 4 EZ Debug LEDs |
Board and SSD cooling SourcesMSI PRO B650M-P No source recorded. MSI PRO B650M-A WIFI Manufacturer specification · Manufacturer cooling design, not measured temperatures. The user guide fits the M.2 SHIELD FROZR heatsink over the M2_1 slot; its M2_2 installation steps include no heatsink. The guide also lists a K7 MOSFET thermal pad and an extra choke pad among the thermal features. MSI PRO B650M-A WIFI — exact model datasheetMSI PRO B650M-A WIFI / PRO B650M-A — official motherboard user guide; exact model, connectors and M.2 installation | Not provided | Extended PWM heatsink; M.2 Shield Frozr |
Lighting headers SourcesMSI PRO B650M-P No source recorded. MSI PRO B650M-A WIFI Manufacturer specification · Addressable and analogue RGB connectors are different; verify the manual and voltage before connecting lighting. The user guide lists two 4-pin 12 V JRGB connectors (3 A, up to 2 m of 5050 RGB strip) and two 3-pin 5 V JARGB_V2 A-RAINBOW V2 (ARGB Gen2) connectors (3 A, up to 240 LEDs each); connecting a 5 V ARGB strip to JRGB damages the strip. MSI PRO B650M-A WIFI — manufacturer specificationsMSI PRO B650M-A WIFI / PRO B650M-A — official motherboard user guide; exact model, connectors and M.2 installation | Not provided | 2 addressable V2 RGB headers; 2 RGB headers |
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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.
