AM5 · DDR5 · ATX · MSI global specification
An 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, six SATA ports, Realtek 2.5 Gb Ethernet and AMD Wi-Fi 6E.
Specifications checked 8 Sept 2026.
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Manufacturer specificationsChoose the B650-P WIFI for
Choose the B650M-A WIFI for
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.
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.
7 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.
MSI PRO B650M-A WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Both M.2 slots connect to the CPU. · Manufacturer specification · M2_2 is unavailable with Ryzen 8500/8300 processors. M2_1 takes 22110/2280 drives and M2_2 takes 2280/2260. SATA_A1–A4 do not support RAID.
MSI PRO B650-P WIFI — current detailed specificationsBoth 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 specificationsCheck the exact configuration and source conditions for your use.
PCI_E1 connects to the CPU; PCI_E2, PCI_E3 and PCI_E4 connect to the chipset. · Manufacturer specification · Electrical link widths, not a guarantee of installed-system performance. PCI_E1 runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300. All four slots are x16-length.
MSI PRO B650-P WIFI — current detailed 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 · Header counts do not specify electrical current limits.
MSI PRO B650-P WIFI — current detailed specificationsManufacturer 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 installationCheck the exact configuration and source conditions for your use.
Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or cables. SATA_A1–A4 do not support RAID.
MSI PRO B650-P WIFI — current detailed specificationsManufacturer 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 specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · MSI states SATA_A1–A4 do not support RAID; only the remaining SATA ports can join an array.
MSI PRO B650-P WIFI — current detailed specificationsCheck the exact configuration and source conditions for your use.
Manufacturer 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.
Manufacturer specification · Check the full manufacturer manual for simultaneous-device configurations.
MSI PRO B650-P WIFI — current detailed 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 · 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.
Manufacturer specification · Manufacturer combined port/header totals; these are not all rear-panel sockets. Use the connection diagram and manual to locate them.
MSI PRO B650-P WIFI — exact model datasheetNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer board dimensions; case mounting and connector clearance still need checking.
MSI PRO B650-P WIFI — current detailed specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
16 shared fields have the same recorded value.
| Specification | MSI PRO B650-P WIFI | MSI PRO B650M-A WIFI |
|---|---|---|
CPU socket SourcesMSI 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 factorDifferent SourcesMSI 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 | ATX; 304.8 × 243.84 mm | Micro-ATX; 243.84 × 243.84 mm |
CPU support / BIOS source SourcesMSI PRO B650-P 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 B650-P WIFI — current detailed 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 |
Board dimensions SourcesMSI PRO B650-P WIFI Manufacturer specification · Manufacturer board dimensions; case mounting and connector clearance still need checking. MSI PRO B650-P WIFI — current detailed specificationsMSI PRO B650M-A WIFI No source recorded. | 304.8 × 243.84 mm | Not provided |
Rear Flash BIOS button Sources | Yes | Yes |
Memory type, slots and limit SourcesMSI PRO B650-P 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 · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable. MSI PRO B650-P WIFI — exact model datasheetMSI PRO B650-P WIFI — current detailed 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 B650-P WIFI Manufacturer specification · Manufacturer capacity ceiling; CPU, BIOS and module validation apply. MSI PRO B650-P WIFI — current detailed 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 B650-P WIFI Manufacturer specification · Physical positions for DDR5 modules, not a capacity or speed guarantee. MSI PRO B650-P WIFI — exact model datasheetMSI 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 |
Memory population OC limits SourcesMSI PRO B650-P 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 B650-P WIFI — current detailed 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 7200+; 1DPC 2R 6000+; 2DPC 1R 6000+; 2DPC 2R 5400+ | 1DPC 1R 7200+; 1DPC 2R 6000+; 2DPC 1R 6000+; 2DPC 2R 5400+ |
Storage interfacesDifferent SourcesMSI PRO B650-P WIFI Both M.2 slots connect to the CPU. · Manufacturer specification · M2_2 is unavailable with Ryzen 8500/8300 processors. M2_1 takes 22110/2280 drives and M2_2 takes 2280/2260. SATA_A1–A4 do not support RAID. MSI PRO B650-P WIFI — current detailed 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; 6 × SATA 6 Gb/s | 2 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s |
M.2 storage slots SourcesMSI PRO B650-P WIFI Manufacturer specification · M2_2 is unavailable with Ryzen 8500/8300 processors. M2_1 takes 22110/2280 drives and M2_2 takes 2280/2260. MSI PRO B650-P WIFI — current detailed 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 portsDifferent SourcesMSI PRO B650-P WIFI Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or cables. SATA_A1–A4 do not support RAID. MSI PRO B650-P WIFI — current detailed 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 | 6 | 4 |
SATA RAID modesDifferent SourcesMSI PRO B650-P WIFI Manufacturer specification · MSI states SATA_A1–A4 do not support RAID; only the remaining SATA ports can join an array. MSI PRO B650-P WIFI — current detailed specifications | RAID 0/1 | RAID 0/1/10 |
NVMe RAID modes Sources | RAID 0/1 | RAID 0/1 |
Expansion slots and electrical linksDifferent SourcesMSI PRO B650-P WIFI PCI_E1 connects to the CPU; PCI_E2, PCI_E3 and PCI_E4 connect to the chipset. · Manufacturer specification · Electrical link widths, not a guarantee of installed-system performance. PCI_E1 runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300. All four slots are x16-length. MSI PRO B650-P WIFI — current detailed 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; 1 × PCIe 4.0 x4; 2 × PCIe 3.0 x1 | 1 × PCIe 4.0 x16; 1 × PCIe 4.0 x4; 1 × PCIe 3.0 x1 |
Lane-sharing restrictions SourcesMSI PRO B650-P WIFI Manufacturer specification · Check the full manufacturer manual for simultaneous-device configurations. MSI PRO B650-P WIFI — current detailed specificationsMSI PRO B650M-A WIFI No source recorded. | M2_2 unavailable with Ryzen 8500/8300; PCI_E1 runs at x8 with Ryzen 8700/8600/8400 and x4 with Ryzen 8500/8300; SATA_A1–A4 do not support RAID | Not provided |
Primary PCIe link SourcesMSI PRO B650-P WIFI Manufacturer specification · x16 with Ryzen 9000/7000; x8 with Ryzen 8700/8600/8400; x4 with Ryzen 8500/8300. MSI PRO B650-P WIFI — current detailed 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 |
USB port and header capacity SourcesMSI PRO B650-P WIFI Manufacturer specification · Manufacturer combined port/header totals; these are not all rear-panel sockets. Use the connection diagram and manual to locate them. MSI PRO B650-P WIFI — exact model datasheetMSI PRO B650M-A WIFI No source recorded. | 1 × USB 20 Gb/s (1 Type-C); 4 × USB 10 Gb/s (3 Type-A + 1 Type-C); 6 × USB 5 Gb/s (6 Type-A); 4 × USB 2.0 | Not provided |
Onboard audio SourcesMSI PRO B650-P WIFI Manufacturer specification · Manufacturer hardware description, not a measured audio-quality result. MSI PRO B650-P WIFI — exact model datasheetMSI PRO B650-P WIFI — current detailed 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 outputs SourcesMSI PRO B650-P WIFI Manufacturer specification · Requires a processor with integrated graphics; supported modes depend on the CPU installed. MSI PRO B650-P WIFI — current detailed 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: up to 4K 60 Hz; DisplayPort 1.4: up to 4K 60 Hz | HDMI 2.1: up to 4K 60 Hz; DisplayPort 1.4: up to 4K 60 Hz |
Rear USB portsDifferent SourcesMSI 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 5 Gb/s Type-A; 3 USB 10 Gb/s Type-A; 1 USB 20 Gb/s Type-C | 4 USB 5 Gb/s Type-A; 4 USB 10 Gb/s Type-A |
Front USB header capacity SourcesMSI PRO B650-P WIFI Manufacturer specification · Requires compatible case ports and wiring; not rear-panel sockets. MSI PRO B650-P WIFI — current detailed 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 interfaces SourcesMSI PRO B650-P WIFI Manufacturer specification · Wireless functionality, where fitted, depends on OS, driver, router and regional 6 GHz availability. MSI PRO B650-P WIFI — exact model datasheetMSI PRO B650-P WIFI — current detailed 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; AMD Wi-Fi 6E; Bluetooth 5.3 | Realtek 8125BG 2.5 Gb Ethernet; AMD Wi-Fi 6E; Bluetooth 5.3 |
Fan and pump headersDifferent SourcesMSI PRO B650-P WIFI Manufacturer specification · Header counts do not specify electrical current limits. MSI PRO B650-P WIFI — current detailed 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; 4 system fan headers | 1 CPU; 1 pump; 3 system fan headers |
Diagnostic indicators Sources | 4 EZ Debug LEDs | 4 EZ Debug LEDs |
Board and SSD cooling SourcesMSI PRO B650-P WIFI 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 B650-P WIFI 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 |
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.
