MSI MAG B650M MORTAR WIFIAM5 · DDR5 · Micro-ATX · MSI global specification- SATA storage ports
- 6This one: 4
MOTHERBOARDS
MSI PRO B650M-P
AM5 · Micro-ATX · DDR5 · board only
- CPU socket
- AM5
- Chipset
- AMD B650
- Form factor
- Micro-ATX; 243.84 × 243.84 mm
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.
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THE ACTUAL PRODUCT
Compare with MSI MAG B650M MORTAR WIFI
Specifications checked 21 Sept 2026Manufacturer specifications, not a hands-on test.
The nearest checked motherboards by key specifications, with what differs from the MSI PRO B650M-P. The first matches the Compare button above.
MSI MAG B650M MORTAR WIFIAM5 · DDR5 · Micro-ATX · MSI global specification
ASUS TUF GAMING B650EM-E WIFITUF GAMING B650EM-E WIFI · AM5 · Micro-ATX · ASUS UK specification- Onboard M.2 storage slots
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ASUS PRIME B650EM-A WIFIPRIME B650EM-A WIFI · AM5 · Micro-ATX · ASUS UK specification- Onboard M.2 storage slots
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Key strengths
Four DDR5 slots support up to 256 GB and speeds up to DDR5-7200+ (OC) with AMD EXPO, and both M.2 slots run at PCIe 4.0 x4.
Realtek 8125BG 2.5 Gb Ethernet and a rear Flash BIOS button for BIOS updates.
Before you buy
No Wi-Fi or Bluetooth, no rear USB-C port, and the two extra expansion slots are only PCIe 3.0 x1.
Works with
Products in this catalogue that list the same socket or memory type as the MSI PRO B650M-P. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.
- 19 AM5 processorsSocket AM5 on both, from cited specifications
- 50 DDR5 memory kitsMemory type DDR5 on both, from cited specifications
Every specification. With its source.
Full specifications
Exact configuration: AM5 · Micro-ATX · DDR5 · board-only configuration · MSI global specification
23 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Platform & board
3 items
Memory
4 items
- DIMM slots
- 4
Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities.
Source - Maximum listed memory
- 256 GB
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.
Source - Memory type, slots and limit
- 4 DDR5 DIMM slots; dual channel; up to 256 GB; up to DDR5-7200+ (OC); AMD EXPO; non-ECC unbuffered
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 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.
Source - Published memory OC configurations
- 1DPC 1R up to 7200+; 1DPC 2R / 2DPC 1R up to 6000+; 2DPC 2R up to 5400+
MSI labels these memory speeds in MHz (manufacturer notation); they are the rated data rates. · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support.
Source
Expansion slots
2 items
- Primary expansion-slot link
- PCI_E1: CPU PCIe 4.0 up to x16
x16 with Ryzen 9000/7000; x8 with Ryzen 8700/8600/8400; x4 with Ryzen 8500/8300.
Source - Expansion slots and electrical links
- 1 × PCIe 4.0 x16; 2 × PCIe 3.0 x1
PCI_E1 connects to the CPU; PCI_E2 and PCI_E3 connect to the chipset. · 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.
Source
Storage
5 items
- Onboard M.2 storage slots
- 2
Onboard M.2 storage positions only. Both M.2 slots accept 2280/2260 drives. Verify the exact CPU, BIOS and drive compatibility.
Source - SATA storage ports
- 4
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.
Source - Storage interfaces
- 2 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s
M2_1 connects to the CPU; M2_2 connects to the chipset. · Both M.2 slots accept 2280/2260 drives. Check drive length and the board manual for slot-specific limits.
Source - SATA RAID modes
- RAID 0/1/10
Requires compatible drives and array configuration; no data protection guarantee.
Source - NVMe RAID modes
- RAID 0/1
Requires compatible drives and array configuration; no data protection guarantee.
Source
USB & rear connections
3 items
- Processor-dependent display outputs
- HDMI 2.1 and DisplayPort 1.4: up to 4K 60 Hz; VGA: 1920×1200 at 60 Hz
Requires integrated CPU graphics; supported modes depend on processor.
Source - Rear USB ports
- 4 USB 2.0; 2 USB 5 Gb/s Type-A; 2 USB 10 Gb/s Type-A
Port inventory and interface ratings, not simultaneous measured throughput or charging power.
Source - Front USB header capacity
- 4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 10 Gb/s Type-C
Requires compatible case ports and cabling; not rear sockets.
Source
Networking
1 item
- Network interfaces
- Realtek 8125BG 2.5 Gb Ethernet
Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board.
Source
Audio
1 item
- Onboard audio hardware
- Realtek ALC897 codec; 7.1-channel
Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
Source
Power, cooling & lighting
1 item
- Cooling headers
- 1 CPU; 1 pump; 3 system fan headers
Board headers, not supplied fans or an assertion of current limits.
Source
BIOS, software & diagnostics
3 items
- CPU support / BIOS source
- AMD Ryzen 9000 / 8000 / 7000 Series
Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.
Source - Rear Flash BIOS button
- Yes
Button presence only. Recovery procedure and USB preparation require the exact manual.
Source - Diagnostic LEDs
- 4 EZ Debug LEDs
Status LEDs, not a numeric POST display or an automatic repair guarantee.
Source
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