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Rectangular ATX motherboard in matte black with silver heatsinks and four DDR5 slots

MSI

MSI PRO B650-S WIFI AMD motherboard

SKU CH-EGRA-F1M5C MPN PRO B650-S WIFI

ATX board for AM5 Ryzen CPUs with four DDR5 slots up to 192 GB, two PCIe 4.0 x16 slots, two M.2 slots, four SATA ports, Wi-Fi 6E and 2.5 G LAN

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B650
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryMemory Support DDR5 7200+(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/

Model PRO B650-S WIFI

  • AM5 socket supports Ryzen 7000, 8000 and 9000 series CPUs
  • DDR5 memory up to 7200 MHz with AMD EXPO profiles
  • PCIe 4.0 x16 slot plus two M.2 slots for fast storage
  • Wi-Fi 6E and 2.5G LAN for high-speed networking
  • 1 channel Realtek ALC897 audio for immersive sound

Socket AM5 platform

The MSI PRO B650-S WIFI is an ATX motherboard built for AMD Ryzen 7000, 8000 and 9000 series processors. It targets system builders who need a reliable foundation for gaming or workstation tasks without paying for enthusiast features. The B650 chipset delivers mainstream connectivity and overclocking headroom in a standard form factor.

Integrated wireless and LAN

Onboard Wi-Fi 6E adds 6 GHz spectrum support with MU-MIMO and BSS color for up to 2400 Mbps throughput. A 2.5 Gbps Ethernet controller provides wired bandwidth well above standard gigabit. Both interfaces are ready to use without extra cards or antennas beyond what the board includes.

Four DDR5 slots up to 192 GB

The board offers four 288-pin slots supporting dual-channel DDR5 up to 7200+ MHz when overclocked via AMD EXPO. Maximum capacity reaches 192 GB using non-ECC unbuffered modules. This memory ceiling decides whether the platform fits high-capacity workloads or stays in mainstream territory.

How it compares

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

Price $99.99
Cheaper than about 76% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Model namePRO B650-S WIFI
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD B650
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryMemory Support DDR5 7200+(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200(OC)/ 5000(OC)/ 4800(JEDEC) MHz
Max. overclocking frequency:
- 1DPC 1R Max speed up to 7200+ MHz
- 1DPC 2R Max speed up to 6000+ MHz
- 2DPC 1R Max speed up to 6000+ MHz
- 2DPC 2R Max speed up to 5400+ MHz
Max supported RAM192 GB
Memory channelsDual Channel
Memory profilesAMD EXPO
ECC supportNon-ECC
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots2x M.2
M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 , supports 22110/2280 devices
M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
SATA and RAID supportSupports RAID 0 and RAID 1 for SATA storage devices*
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
Audio & video
Audio chipRealtek ALC897 Codec
7.1-Channel High Definition Audio
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 8125BG 2.5G LAN
Maximum network speed2.5 Gbit/s
Wi-Fi standardAMD Wi-Fi 6E
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX
Supports 20 MHz, 40 MHz, 80 MHz bandwidth in 2.4 GHz/ 5 GHz or 6 GHz* bands
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 11.
Bluetooth supportSupports Bluetooth 5.3**
** Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11.
Ports & slots
PCIe 4.0 x16 slots2x PCI-E x16 slot
PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU)
PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
PCIe x1 slots1x PCI-E x1 slot
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
Onboard USB headers4x USB 2.0 ports
2x USB 3.2 Gen1 Type A ports
1x USB 3.2 Gen2 Type C ports
Power
Power connectors1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight1.45 kg
Package size348 × 254 × 64 mm
Compatibility
Windows 11 supportSupported

Other versions of this model

1 more in the same range

Questions about this item

Will the DDR5 slots on this board need a firmware update before I can run 7200 MHz memory?

The board ships with AMD EXPO support; a BIOS update may be required for Ryzen 9000 series CPUs, after which the 7200+(OC) profile can be enabled in firmware.

What caps the PCIe 4.0 x16 slot bandwidth when a Ryzen 7000 CPU is installed?

The primary PCI_E1 slot runs at PCIe 4.0 x16 directly from the CPU, so the processor lane count is the limiting factor.

How loud does the chipset area get when the 2.5G LAN and Wi-Fi 6E are both active all day?

The B650 chipset is passively cooled; with 2.5G LAN and Wi-Fi 6E running continuously the heatsink stays warm but silent.

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