The MSI PRO B850-S WIFI6E is an ATX motherboard based on the AMD B850 chipset and Socket AM5, supporting AMD Ryzen 9000, 8000 and 7000 Series desktop processors. It combines four DDR5 memory slots with PCIe expansion, two M.2 storage slots and a 12+2+1 Duet Rail Power System. For connectivity, the board provides Realtek 8125 2.5G LAN, Wi-Fi 6E, Bluetooth 5.3 and USB connectivity up to 10Gbps. MSI also includes a PCIe 5.0 x4 M.2 slot, M.2 Shield Frozr, EZ PCIe Clip II, EZ M.2 Clip II, Flash BIOS and Clear CMOS controls. Key Features AMD B850 Platform: Socket AM5 support for AMD Ryzen 9000, 8000 and 7000 Series desktop processors. DDR5 Memory: Four DDR5 UDIMM slots with up to 256GB capacity and overclocked memory speeds up to 8200+ MT/s. High-Speed M.2 Storage: Two M.2 slots including one supporting up to PCIe 5.0 x4. Expansion: Primary CPU-connected PCIe 4.0 x16 slot plus additional PCIe 4.0 x4 and PCIe 3.0 x1 slots. Integrated Networking: Realtek 8125 2.5G LAN, Wi-Fi 6E and Bluetooth 5.3. USB Connectivity: Rear and front USB Type-C connectivity at up to 10Gbps. Technical Specifications Component Specification MSI Model PRO B850-S WIFI6E Chipset AMD B850 CPU Socket AM5 CPU Support AMD Ryzen 9000 / 8000 / 7000 Series Desktop Processors Power Design 12+2+1 Duet Rail Power System CPU Power 2 × 8-pin CPU power connectors Memory Slots 4 × DDR5 UDIMM Maximum Memory 256GB Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Memory Features AMD EXPO, memory overclocking, Dual-Channel, Non-ECC Un-buffered memory, CUDIMM support in Clock Driver bypass mode Expansion Slots 2 × PCIe x16, 1 × PCIe x1 Primary PCIe Slot PCIe 4.0 up to x16 from CPU; lane configuration depends on installed processor Additional PCIe Slots 1 × PCIe 4.0 x4, 1 × PCIe 3.0 x1 M.2 Storage 2 × M.2; M.2_1 up to PCIe 5.0 x4, M.2_2 up to PCIe 4.0 x4 depending on processor SATA 4 × SATA 6G RAID RAID 0 / 1 / 10 for SATA; RAID 0 / 1 for M.2 NVMe LAN Realtek 8125 2.5G LAN Wi-Fi Wi-Fi 6E, 2.4 GHz / 5 GHz / 6 GHz, 160 MHz, up to 2.4Gbps Bluetooth Bluetooth 5.3 Audio Realtek ALC897, 7.1-Channel High Definition Audio HDMI HDMI 2.1, up to 4K 60Hz DisplayPort DisplayPort, up to 4K 60Hz Rear USB 10Gbps 3 × Type-A, 1 × Type-C Rear USB 5Gbps 4 × Type-A Front USB Support 1 × USB 10Gbps Type-C, 2 × USB 5Gbps Type-A, 4 × USB 2.0 Form Factor ATX Dimensions 243.84 × 304.8 mm Operating System Windows 11 64-bit Compatibility & Important Information The motherboard uses Socket AM5 and supports AMD Ryzen 9000, 8000 and 7000 Series desktop processors. The primary PCIe slot operates at PCIe 4.0 x16 with Ryzen 9000 and 7000 Series processors, PCIe 4.0 x8 with Ryzen 8700, 8600 and 8400 Series processors, and PCIe 4.0 x4 with Ryzen 8500 and 8300 Series processors. M.2_1 supports up to PCIe 5.0 x4 with Ryzen 9000 and 7000 Series processors and up to PCIe 4.0 x4 with Ryzen 8000 Series processors. M.2_2 supports up to PCIe 4.0 x4 with Ryzen 9000, 8700, 8600, 8400 and 7000 Series processors, and up to PCIe 4.0 x2 with Ryzen 8500 and 8300 Series processors. Memory compatibility and supported speeds vary according to the installed processor, memory modules and DIMM configuration. HDMI and DisplayPort motherboard video outputs require a processor featuring integrated graphics. Produ Specifications Manufacturers Link https://www.msi.com/Motherboard/PRO-B850-S-WIFI6E Motherboard Specifications CPU Support AMD Ryzen IX Generation CPU Socket Type AM5 Chipset AMD B850 Form Factor ATX Memory Type DDR5 Memory Speed 8200 Mhz Maximum Memory 256 GB Memory Slots 4 Slots M.2 Slots Yes Wireless LAN Yes Warranty Warranty 1 Year Please to review Q: Which processors are compatible with the MSI PRO B850-S WIFI6E? A: MSI specifies support for AMD Ryzen 9000, 8000 and 7000 Series desktop processors using Socket AM5. Q: How much DDR5 memory does the motherboard support? A: It has four DDR5 UDIMM slots with a maximum capacity of 256GB and supports memory overclocking and AMD EXPO. Q: What is the maximum specified DDR5 overclocked speed? A: MSI specifies up to 8200+ MT/s with Ryzen 9000 Series processors in a 1DPC 1R configuration. Supported memory speeds vary according to the CPU and memory configuration. Q: Does the primary graphics slot support PCIe 5.0? A: No. MSI specifies the primary CPU-connected PCIe slot as PCIe 4.0, supporting up to x16 depending on the installed processor. Q: Does the motherboard support PCIe 5.0 M.2 SSDs? A: M.2_1 supports up to PCIe 5.0 x4 when used with Ryzen 9000 or 7000 Series processors. With Ryzen 8000 Series processors, M.2_1 supports up to PCIe 4.0 x4. Q: How many M.2 and SATA storage connections are available? A: The motherboard provides two M.2 slots and four SATA 6G connectors. Q: Does it include Wi-Fi and Bluetooth? A: Yes. The motherboard has a pre-installed Wi-Fi 6E module supporting 2.4 GHz, 5 GHz and 6 GHz bands up to 2.4Gbps, together with Bluetooth 5.3. Q: Do the onboard HDMI and DisplayPort outputs work with every supported processor? A: No. MSI specifies that the onboard display outputs require a processor featuring integrated graphics.
