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Micro ATX motherboard in dark finish with silver heatsinks and rear I/O shield

MSI

MSI PRO B650M-A WiFi AMD motherboard

SKU CH-X1GH-DANWH

Micro-ATX board for Socket AM5 Ryzen 7000 and 8000 CPUs with dual-channel DDR5 up to 6400 OC, 256 GB capacity, 2.5 Gb LAN and Wi-Fi

  • ProcessorSupports AMD Ryzen™ 8000/ 7000 Series Desktop Processors Soc
  • ChipsetAMD B650
  • CPU socketSocket AM5
  • Supported memorySupport dual-channel DDR5 6400 (OC)/6200 (OC)/6000 (OC)/5800
  • Max supported RAM256 GB
  • PCI slots2X PCI-E x16 slots (quantity) Supports x16/x4 (For Ryzen™ 70
  • Supports Ryzen 7000 and 8000 series CPUs via Socket AM5
  • Dual-channel DDR5 up to 6400 OC with 256 GB maximum capacity
  • Realtek 8125BG 2.5G LAN for fast wired networking
  • Realtek ALC897 7.1-channel high-definition audio
  • Rear USB 10 Gbps Type-A and Type-C plus front 5 Gbps ports

Socket AM5 DDR5 foundation

The MSI PRO B650M-A WiFi motherboard pairs the AMD B650 chipset with a Socket AM5 platform ready for Ryzen 7000 and 8000 series desktop processors. Dual-channel DDR5 support scales from 4800 MHz up to 6400 MHz when overclocked, with a maximum capacity of 256 GB across four slots.

Extended PCIe lane distribution under load

Two full-size PCIe x16 slots and one x1 slot share bandwidth dynamically depending on the installed CPU. Ryzen 7000 series chips run the primary slot at x16 and the secondary at x4, while 8700G and 8600G processors split the lanes to x8 and x4, and the 8500G limits both to x4. The single x1 slot remains available for additional expansion cards.

256 GB dual-channel DDR5 ceiling

Maximum supported memory is 256 GB of dual-channel DDR5, setting the hard limit for workstation or content-creation builds that need large datasets in RAM. Four DIMM slots populate to this ceiling using standard unbuffered modules at speeds up to 6400 MHz OC.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $173.99
Cheaper than about 57% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI PRO B650M-A WiFi
Model nameMSI PRO B650M-A WiFi
Processor
ProcessorSupports AMD Ryzen™ 8000/ 7000 Series Desktop Processors
Socket AM5
CPU socketSocket AM5
ChipsetAMD B650
Memory
Supported memorySupport dual-channel DDR5 6400 (OC)/6200 (OC)/6000 (OC)/5800 (OC)/5600 (OC)/5400 (OC)/5200 (OC)/5000 (OC)/4800 MHz memory
Max supported RAM256 GB
Storage
SATA and RAID support2XM.2 interface, 4xSATA III interface
Audio & video
Audio chipRealtek ALC897 Codec
7.1-Channel High Definition Audio
Connectivity
Ethernet controllerRealtek 8125BG 2.5G LAN
Ports & slots
PCI slots2X PCI-E x16 slots (quantity)
Supports x16/x4 (For Ryzen™ 7000 Series processors)
Supports x8/x4 (For Ryzen™ 7 8700G and Ryzen™ 5 8600G processors)
Supports x4/x4 (For Ryzen™ 5 8500G processor)
1X PCI-E x1 slot (quantity)
PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
Onboard USB headers4X USB 2.0 (front)
4x USB 5 Gbit/s Type A (Rear)
2x USB 5 Gbit/s Type A (Front)
4x USB 10 Gbit/s Type A (Rear)
1x USB 10 Gbit/s Type C (Front)

Questions about this item

How much power does the MSI PRO B650M-A WiFi draw under sustained load?

The board itself does not publish a sustained-load power figure; actual draw depends on the installed Ryzen 7000 or 8000 series processor and the DDR5 memory speed you select.

Which components must I already own for the MSI PRO B650M-A WiFi to function?

You need a Socket AM5 Ryzen 7000 or 8000 series CPU, DDR5 memory modules, a PSU with 24-pin and 8-pin EPS connectors, and storage drives using SATA or M.2 interfaces.

Can I keep my older SATA drives when moving to the MSI PRO B650M-A WiFi?

Yes, the board provides four SATA III ports so existing SATA SSDs or hard drives connect directly without adapters.

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