Build a modern AMD setup with this black/silver AM5 ATX motherboard powered by the AMD B840 chipset and ready for Windows 11. It supports Ryzen 7000, 8000G/F, and 9000 series CPUs and up to 256GB DDR5 across four DIMM slots, with overclocking support up to DDR5-8000 (OC). Storage is fast and flexible with 3x PCIe M.2 slots (60–80mm), while expansion includes PCIe x16 + PCIe x4 and an extra PCIe x1 slot. Connectivity is strong with 2.5G Realtek LAN, Wi-Fi 6E, and Bluetooth. Rear I/O includes USB-C 10Gbps, USB-A, and HDMI (for iGPU CPUs). Customize lighting with RGB + 3x ARGB headers, and keep your build cool with 5 PWM fan headers. Includes EZ WiFi antenna, SATA cable, and tool-free EZ M.2 clips.
MSI PRO B840-S EVO WIFI6E, motherboard (black/silver)
| type | Mainboard |
| Color | black/silver |
| EAN | 4711377404167 |
| Manufacturer's No. | 7E93-001R |
| base | AM5 |
| Maximum supported CPUs | 1 |
|
operating system |
|
| Support |
Windows 11 ready |
| processor | |
| Supported models |
Ryzen 5 7xxx (Raphael), Ryzen 5 7xxxX (Raphael), Ryzen 5 7xxxF (Raphael), Ryzen 5 7xxxX3D (Raphael), Ryzen 5 8xxxF (Phoenix), Ryzen 5 8xxxG (Phoenix), Ryzen 5 9xxxX (Granite Ridge), Ryzen 7 7xxx (Raphael), Ryzen 7 7xxxX (Raphael), Ryzen 7 7xxxX3D (Raphael), Ryzen 7 8xxxG (Phoenix), Ryzen 7 8xxxF (Phoenix), Ryzen 7 9xxxX (Granite Ridge), Ryzen 7 9xxxX3D (Granite Ridge), Ryzen 9 7xxx (Raphael), Ryzen 9 7xxxX (Raphael), Ryzen 9 7xxxX3D (Raphael), Ryzen 9 9xxxX (Granite Ridge), Ryzen 9 9xxxX3D (Granite Ridge) |
| Chipset | AMD B840 |
| slots | |
| PCIe x16 |
2x (of which: 1x PCIe x16, 1x PCIe x4) |
| PCIe x1 | 1 |
| Form factor | ATX |
| use | PC |
| power supply |
ATX12V (24-Pin + 8-Pin) |
| memory | |
| maximum | 256 GB |
| Number of sockets | 4x DDR5 |
| supported standards |
DDR5 8000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s |
| Channels | 2 |
| Maximum storage ranks | 8 |
|
External connections |
|
| USB-C 3.2 Gen 2 (10 Gbit/s) | 1 |
| USB-A 3.2 Gen 2 (10 Gbit/s) | 1 |
| USB-A 3.2 Gen 1 (5 Gbit/s) | 2 |
| A notice: |
The designation USB 3.2 Gen 1 corresponds to the earlier designations USB 3.1 Gen 1 and USB 3.0. |
| USB-A 2.0 | 4 |
| HDMI | 1 |
| microphone | 1 |
| Line-In | 1 |
| Line-Out | 1 |
| Bluetooth | Yes |
| Wi-Fi | Yes |
|
Internal connections |
|
| M.2 | 3 |
| M.2 interface | PCIe |
| M.2 Length | 60 - 80 mm |
| RGB LED Header | 1 |
| addressable RGB LED header | 3 |
| 4-pin PWM fan | 5 |
|
Connections (optional) |
|
| USB 3.2 Gen 1 (5 Gbit/s) | 2 |
| USB-C 3.2 Gen 1 (5 Gbit/s | 1 |
| USB 2.0 | 4 |
| TPM | Yes |
| SATA controller | AMD B840 |
| directly usable RAID levels | 0, 1 |
| USB controller | AMD B840 |
| Onboard graphics |
The motherboard's graphics ports can only be used when using a CPU with an integrated graphics chip. |
| Sound |
Realtek® ALC897 |
| LAN |
Realtek® 8125D 2.5G LAN |
|
Wi-Fi 6E, Bluetooth |
|
| Further information |
To support the latest processor cores, a BIOS update may be required. |
| Accesories | |
| available |
EZ WiFi antenna, SATA cable, EZ M.2 Clip II, EZ M.2 Clip II Remover |
| Dimensions |
Width: 243.84 mm x Height: 243.84 mm |
| weight | 1090 g |



























