MSI B850 GAMING PLUS WIFI AM5 ATX Motherboard

Basic Information

ModelAMD B850 ATX MotherboardForm FactorATX (243.84mm × 304.8mm)Operating System SupportWindows® 11 64-bit

Processor (CPU)

Socket TypeAMD Socket AM5Supported CPUsAMD Ryzen™ 9000 / 8000 / 7000 Series Desktop ProcessorsChipsetAMD B850

Memory

Slots4 × DDR5 UDIMMMaximum CapacityUp to 256 GBSupported Speeds (MT/s)DDR5 8200–5600 (OC) / 5600–4800 (JEDEC)Ryzen™ 9000 Max Overclocking Frequency1DPC 1R – 8200+ MT/s • 1DPC 2R – 6400+ MT/s • 2DPC 1R – 6400+ MT/s • 2DPC 2R – 6000+ MT/sMode & SupportDual-Channel Mode • Non-ECC, Un-buffered Memory • AMD EXPO™Additional SupportAMD POR Speed, JEDEC Speed, CUDIMM (Clock Driver bypass mode only)NoteCUDIMM support and POR boot frequency may vary by CPU. Some CPUs may fail to boot initially — future BIOS updates will improve compatibility. For detailed memory compatibility, refer to MSI Support page.

Onboard Graphics

Display Output1 × DisplayPort 1.2 (4K @ 60Hz)NoteDisplay available only on processors featuring integrated Radeon™ Graphics; specifications vary by CPU.

Audio

CodecRealtek® ALC897Channels7.1-Channel High Definition AudioOutputS/PDIF-OUT available on back panel

Storage

M.2 Slots3 × M.2M.2_1 SourceCPU • PCIe 5.0 x4 • 2280/2260 DevicesM.2_2 SourceCPU • PCIe 4.0 x4 • 22110/2280 DevicesM.2_3 SourceChipset • PCIe 4.0 x2 • 2280/2260 DevicesSATA Ports4 × SATA 6 Gb/sNotesM.2_1 supports PCIe 5.0 x4 with Ryzen™ 9000/7000 and PCIe 4.0 x4 with Ryzen™ 8000 CPUs. Refer to manual for SSD heatsink restrictions.RAID SupportRAID 0 / 1 for SATA • RAID 0 / 1 for NVMe M.2

Networking

LAN ControllerRealtek® RTL8126VB 5G LAN

Wireless Connectivity

Wi-FiWi-Fi 7 (802.11 a/b/g/n/ac/ax/be) • MU-MIMO TX/RX • 2.4/5/6 GHz (320 MHz) • Up to 5.8 GbpsBluetoothBluetooth® 5.4 (MLO, 4K QAM)ModulePre-installed in M.2 (Key-E) slotNotesWi-Fi 7 (6 GHz) support may depend on region; enabled in Windows 11 version 24H2. Bluetooth 5.4 readiness also requires Windows 11 version 24H2.

Internal I/O Connectors

Power1 × ATX Power • 2 × CPU Power • 1 × PCIe Power (8-pin)Cooling1 × CPU Fan • 1 × Combo Fan (Pump/SYS) • 4 × System FansFront Panel2 × JFP • 1 × Chassis Intrusion (JCI) • 1 × EZ Conn Header (JAF_1)Audio / COM1 × Front Audio (JAUD) • 1 × COM Port (JCOM)Controller1 × Tuning Controller Connector (JDASH)RGB & Lighting3 × Addressable V2 RGB (JARGB_V2) • 1 × RGB (JRGB)Security1 × TPM 2.0 HeaderUSB Headers4 × USB 2.0 • 4 × USB 5Gbps Type-A • 1 × USB 5Gbps Type-C

Back Panel Ports

ButtonsClear CMOS • Flash BIOSDisplayDisplayPort 1.2USB2 × USB 10Gbps Type-C • 1 × USB 10Gbps Type-A • 1 × USB 5Gbps Type-A • 4 × USB 2.0Networking5G LAN • Wi-Fi / Bluetooth Antenna ConnectorsAudioHD Audio Connectors • S/PDIF-OUT