highlightsModel: MSI B850 (micro-ATX form factor),Chipset: AMD B850,Socket: AM5,AMD Ryzen™ 9000 Series,AMD Ryzen™ 8000 Series,AMD Ryzen™ 7000 Series,Slots: 4 × DDR5 UDIMM,Max Capacity: 256 GB (64 GB per slot),Architecture: Dual-channel,Type: Non-ECC, unbuffered DDR5,JEDEC: DDR5-4800 → 5600 MT/s,Overclocked: Up to DDR5-8200+ MT/s,1DPC 1R: up to 8200+ MT/s,1DPC 2R: up to 6400+ MT/s,2DPC 1R: up to 6400+ MT/s,2DPC 2R: up to 6000+ MT/s,AMD EXPO™ support,CUDIMM support (Clock Driver bypass mode only)*,Single-sided DIMM latches,HDMI™ 2.1: Up to 4K @ 60Hz,DisplayPort 1.4: Up to 4K @ 60Hz,PCI_E1 (CPU):
PCIe 5.0 x16 (Ryzen 9000 / 7000)
PCIe 4.0 x8 (Ryzen 8700 / 8600 / 8400)
PCIe 4.0 x4 (Ryzen 8500 / 8300),PCIe 5.0 x16 (Ryzen 9000 / 7000),PCIe 4.0 x8 (Ryzen 8700 / 8600 / 8400),PCIe 4.0 x4 (Ryzen 8500 / 8300),PCI_E2–E4 (Chipset):
3 × PCIe 3.0 x1,3 × PCIe 3.0 x1,M.2_1 (CPU):
PCIe 5.0 x4 (Ryzen 9000 / 7000)
PCIe 4.0 x4 (Ryzen 8000)
Supports 2280 / 2260,PCIe 5.0 x4 (Ryzen 9000 / 7000),PCIe 4.0 x4 (Ryzen 8000),Supports 2280 / 2260,M.2_2 (CPU):
PCIe 4.0 x4 (most CPUs)
Downgrades to x2 on Ryzen 8500 / 8300
Supports 2280 / 2260,PCIe 4.0 x4 (most CPUs),Downgrades to x2 on Ryzen 8500 / 8300,Supports 2280 / 2260,M.2_3 (Chipset):
PCIe 4.0 x2
Supports 2280,PCIe 4.0 x2,Supports 2280,4 × SATA 6Gb/s,SATA: RAID 0, 1, 10,NVMe: RAID 0, 1, 5,Codec: Realtek® ALC897,Channels: 7.1-channel HD Audio,Wired: Realtek® 8126VB 5GbE LAN,Wi-Fi 7 (802.11be)
Tri-band (2.4 / 5 / 6 GHz)
Up to 2.9 Gbps
160 MHz channels,Tri-band (2.4 / 5 / 6 GHz),Up to 2.9 Gbps,160 MHz channels,Bluetooth 5.4,1 × USB 10Gbps Type-C,1 × USB 10Gbps Type-A,2 × USB 5Gbps Type-A,4 × USB 2.0,1 × USB 10Gbps Type-C,4 × USB 5Gbps Type-A,4 × USB 2.0,1 × 24-pin ATX,1 × 8-pin CPU,1 × 8-pin PCIe (for high-end GPUs),1 × CPU fan header,1 × Pump/System fan combo,3 × System fan headers,3 × Addressable RGB Gen2 (5V, 3-pin),1 × Standard RGB (12V, 4-pin),TPM 2.0 header,Front panel & front audio headers,COM port header,Chassis intrusion header,JDASH tuning controller header,HDMI™,DisplayPort,USB 10Gbps (Type-C + Type-A),2 × USB 5Gbps Type-A,4 × USB 2.0,5G LAN (RJ-45),Wi-Fi / Bluetooth antenna connectors,3.5mm audio jacks,Flash BIOS Button,Clear CMOS Button,4 × EZ Debug LEDs (CPU, DRAM, VGA, BOOT),EZ Memory Detection LED (RAM troubleshooting),Form Factor: micro-ATX (243.84 × 243.84 mm),Operating System: Windows® 11 (64-bit)