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Micro-ATX motherboard with CPU installed, black PCB, silver heatsinks, Wi-Fi antenna ports

MSI

MSI PRO B650M-A WIFI + Ryzen 7 7800X3D AMD motherboard CPU combo

SKU CH-ZE5X-MMX6P

A Micro-ATX B650 board with Wi-Fi 6E and 2.5 Gbps LAN paired with an 8-core Ryzen 7 7800X3D CPU featuring 96 MB L3 cache for gaming workloads

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B650
  • Form factorMicro ATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports JEDEC standard DDR5 5600+ (OC) MHz
  • Max supported RAM128 GB
  • 8-core Ryzen 7 7800X3D with 96 MB L3 cache for gaming responsiveness
  • DDR5 5600 JEDEC support across four slots up to 128 GB capacity
  • Two PCIe 4.0 M.2 slots with M.2 Shield FROZR cooling
  • Wi-Fi 6E and 2.5 Gbps LAN for fast wireless and wired networking
  • Extended heatsink design keeps 120 W CPU running at full speed

Combo contents

This bundle pairs an MSI PRO B650M-A WIFI motherboard with an AMD Ryzen 7 7800X3D processor. The board uses the AMD B650 chipset on a Micro ATX layout and the CPU fits the Socket AM5 platform. It is built for users who want a ready-matched platform for gaming or content creation without selecting parts separately.

Suitability

The combination suits builders who need eight cores, 96MB L3 cache and integrated Radeon graphics in a compact form factor. It supports DDR5 memory up to 128GB across four slots and includes Wi-Fi 6E plus 2.5Gbps LAN. Buyers needing more than two full-speed PCIe 4.0 x16 slots or a larger ATX board should consider other options.

Deciding specification

The processor has a 120W TDP, so the motherboard power delivery and cooling must handle that sustained load. The board provides an extended PWM heatsink and M.2 Shield FROZR for the two CPU-linked M.2 slots that accept 2260 and 2280 drives. Verify your case airflow and power supply capacity match this thermal requirement.

How it compares

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

Price $569.99
Pricier than about 69% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Model namePRO B650M-A WIFI
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B650
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports JEDEC standard DDR5 5600+ (OC) MHz
Max supported RAM128 GB
Memory channelsDual Channel
ECC supportNon-ECC
BufferingUn-buffered
Storage
SATA ports4x SATA 6Gb/s ports (From B650 chipset)
M.2 slots2 x Key M (PCIe) + 1 x Key E (WiFi/BT)
2x M.2 slots (Key M)
M2_1 slot (From CPU)
- Supports up to PCIe 4.0 x4
- Supports 2260/ 2280 storage devices
M2_2 slot (From CPU)
- Supports up to PCIe 4.0 x4
- Supports 2260/ 2280 storage devices
SATA and RAID supportSupports RAID 0, RAID 1 and RAID 10 for SATA storage devices*
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
Audio & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controller1x Realtek 8125BG 2.5 Gbit/s LAN controller
Maximum network speed2.5 Gbit/s
Wi-Fi standardAMD Wi-Fi RZ616
- The Wireless module is pre-installed in the M.2 (Key-E) slot
- Supports MU-MIMO TX/RX, 2.4 GHz/ 5 GHz/ 6 GHz*(160 MHz) up to 2.4 Gbit/s
- Supports 802.11 a/ b/ g/ n/ ac/ ax
* Wi-Fi 6E 6 GHz may depend on every country’s regulations and will be ready in Windows 10 build 21H1 and Windows 11.
Bluetooth supportSupports Bluetooth 5.2*, FIPS, FISMA
* Bluetooth 5.2 will be ready in Windows 10 build 21H1 and Windows 11.
Ports & slots
PCIe 4.0 x16 slots2x PCIe x16 slots
PCI_E1 slot (From CPU)
- Supports up to PCIe 4.0 x16
PCI_E3 (From B650 chipset)
- Supports up to PCIe 4.0 x4
PCIe x1 slots1x PCIe x1 slot
PCI_E2 slot (From B650 chipset)
- Supports up to PCIe 3.0 x1
Power
Power connectors1x 24-pin ATX main power connector
1x 8-pin ATX 12 V power connector
1x 4-pin ATX 12 V power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Questions about this item

What clearance does the 120 W Ryzen 7 7800X3D need for its cooler on the Micro-ATX board?

The 120 W TDP means a tower cooler rated for at least 120 W or a 240 mm AIO is required; verify the cooler’s AM5 mounting kit and that it clears the extended PWM heatsink and the four DDR5 slots.

Which BIOS version must be flashed before the Ryzen 7 7800X3D will post on the B650 chipset?

Update the BIOS with a supported Ryzen 7000 CPU or use the board’s Flash BIOS Button and a USB stick; the board ships on an older revision that does not recognise the 7800X3D out of the box.

When should the M.2 Shield FROZR thermal pad be replaced on the primary Gen4 slot?

Replace the pad if SSD temperatures exceed 70 °C under sustained loads; peel the old pad, clean with isopropyl alcohol, and apply the same thickness pad supplied with the board.

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