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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

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B650
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardMemory Support DDR5 7200+(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/
  • Maximum Memory Supported192GB

Option PRO B650-S WIFI

  • MAG B650 TOMAHAWK WIFI
  • MAG B650M MORTAR WIFI
  • MPG B650 EDGE WIFI
  • MPG B650I EDGE WIFI
  • PRO B650M-A WIFI
  • PRO B650-P WIFI
  • PRO B650M-P
  • B650 GAMING PLUS WIFI
  • PRO B650-S WIFI
  • PRO B650-A WIFI

Struck-through versions exist but are not stocked here.

  • 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.

Highlights

  • 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

Specifications

BrandMSI
ModelPRO B650-S WIFI
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B650
Number of Memory Slots4x288pin (DDR5)
Memory StandardMemory 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
Maximum Memory Supported192GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
Memory FeatureSupports AMD EXPO
PCI Express 4.0 x162x 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)
PCI Express x11x PCI-E x1 slot
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
Serial ATA (SATA)4 x SATA 6Gb/s
M.22x 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 RAIDSupports RAID 0 and RAID 1 for SATA storage devices*
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
Audio ChipsetRealtek ALC897 Codec
7.1-Channel High Definition Audio
Audio Channels7.1 Channels
LAN ChipsetRealtek 8125BG 2.5G LAN
Max LAN Speed2.5Gbps
Wireless LANAMD Wi-Fi 6E
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX
Supports 20MHz, 40MHz, 80MHz bandwidth in 2.4GHz/ 5GHz or 6GHz* bands
Supports 802.11 a/ b/ g/ n/ ac/ ax
* Wi-Fi 6E 6GHz may depend on every country’s regulations and will be ready in Windows 11.
BluetoothSupports Bluetooth 5.3**
** Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11.
Back I/O Ports1 x DisplayPort
1 x 2.5G LAN
3 x USB 3.2 Gen 2 10Gbps (Type-A)
4 x USB 3.2 Gen 1 5Gbps (Type-A)
1 x USB 3.2 Gen 2x2 20Gbps (Type-C)
2 x Wi-Fi / Bluetooth Antenna Bracket
6 x Audio connectors
1 x Flash BIOS Button
1 x HDMI
Onboard USB4x USB 2.0 ports
2x USB 3.2 Gen1 Type A ports
1x USB 3.2 Gen2 Type C ports
Other Connectors1x CPU Fan
1x Pump Fan
4x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
1x Tuning Controller connector (JDASH)
2x Addressable V2 RGB LED connector (JARGB_V2)
2x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
Windows 11Supported
FeaturesSupports AMD Ryzen™ 7000 Series Desktop Processors
Supports DDR5 Memory, Dual Channel DDR5 7200+MHz (OC)
Enhanced Power Design: 12+2 Duet Rail Power System with P-PAK, dual 8-pin CPU power connectors, Core Boost, Memory Boost
Premium Thermal Solution: MOSFET thermal pads rated for 7W/mK and M.2 Shield Frozr are built for high performance system and non-stop work
High Quality PCB: 6-layer PCB made by 2oz thickened copper
Lightning Fast Game experience: PCIe 4.0 slots, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, USB 3.2 Gen 2x2
2.5G LAN with Wi-Fi 6E Solution: Upgraded network soluti
Shipping weight1.45 kg
Package size348 × 254 × 64 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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