Category Specification Model / Platform MSI B850 GAMING PLUS WIFI Chipset AMD B850 CPU Socket / Support AM5 — Supports AMD Ryzen 7000 / 8000 / 9000 series desktop processors Form Factor ATX (304.8 × 243.8 mm) Memory 4 × DDR5 UDIMM slots, Max Capacity 256 GB Supported speeds: DDR5 4800–5600 (JEDEC), up to 8200+ (OC) Supports AMD EXPO profiles PCIe & Expansion 4 expansion slots: • PCI_E1: PCIe 5.0 x16 (from CPU) • PCI_E2: PCIe 3.0 x1 (chipset) • PCI_E3: PCIe 4.0 x4 (chipset) • PCI_E4: PCIe 3.0 x1 (chipset) Note: PCI_E2/E3/E4 share bandwidth; PCI_E3 may reduce speed when others are in use Storage / M.2 / SATA 3 × M.2 slots: • M.2_1 (from CPU) supports PCIe 5.0 x4 (2280/2260) • M.2_2 (from CPU) supports PCIe 4.0 x4 (2280/22110) • M.2_3 (from chipset) supports PCIe 4.0 x2 (2280/2260) 4 × SATA III (6 Gbps) ports RAID support for NVMe (RAID 0 / RAID 1) USB / I/O Rear USB: 4 × USB 2.0, 1 × USB 5 Gbps Type-A, 1 × USB 10 Gbps Type-A, 2 × USB 10 Gbps Type-C Front headers: 4 × USB 2.0, 4 × USB 5 Gbps (Type-A), 1 × USB 5 Gbps Type-C LAN / Wi-Fi / Bluetooth 5 Gbps LAN (Realtek 8126VB) Wi-Fi 7 + Bluetooth 5.4 Audio Realtek ALC897 7.1-channel HD Audio with “Audio Boost” Power / VRM 12 + 2 + 1 Duet Rail Power System Dual 8-pin CPU power connectors Heatsink design with thermal pads (7 W/mK), extended MOSFET heatsinks Supplemental PCIe power connector for GPU Cooling / Fan Headers CPU fan, pump/system combo header, 4 system fan headers RGB / Headers 3 × Addressable RGB V2, 1 × RGB LED header BIOS / Other Features Flash BIOS button, Clear CMOS button, pre-installed I/O shield, EZ DIY features (EZ M.2 clip, EZ PCIe clip, EZ antenna, etc.) Graphics Output DisplayPort output (works only with CPUs that include an iGPU) Max resolution: 4K @ 60Hz Release / Availability 2025 (current generation)