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ATX motherboard in dark grey and black with silver heatsinks and four DDR5 slots

MSI

MSI B850 GAMING PLUS WIFI AM5 AMD motherboard

SKU CH-XYXJ-KBHH3 MPN B850 GAMING PLUS WIFI

Supports Ryzen 7000, 8000 and 9000 CPUs with DDR5 8200 MT/s OC, PCIe 5.0 x16, triple M.2 slots, 5G LAN and Wi-Fi 7

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 8200+ MT/s (OC)
  • Maximum Memory Supported256GB
  • Supports Ryzen 7000, 8000 and 9000 series processors via AM5 socket
  • DDR5 memory overclocked to 8200 MT/s across four slots for high bandwidth
  • PCIe 5.0 x16 slot delivers 128 GB/s bandwidth for latest graphics cards
  • Wi-Fi 7 with 320 MHz channel reaches 5.8 Gbps for low-latency wireless
  • 5 Gbps LAN plus Bluetooth 5.4 give fast, stable wired and wireless connectivity

AM5 DDR5 motherboard for Ryzen 7000 8000 9000

The MSI B850 GAMING PLUS WIFI is an ATX board built around the AMD B850 chipset and the AM5 socket. It accepts Ryzen 7000 8000 and 9000 series processors and runs four DDR5 slots up to 8200 MT/s when overclocked. Dual channel architecture supports up to 256 GB of memory.

PCIe 5.0 x16 slot and triple M.2 with Gen5

The single PCIe 5.0 x16 slot delivers 128 GB/s bandwidth for the latest graphics cards. Storage expands through three M.2 connectors including one PCIe 5.0 x4 and two PCIe 4.0 options. Four SATA 6 Gb/s ports remain available for additional drives.

Wi-Fi 7 Bluetooth 5.4 5G LAN

Onboard wireless uses Wi-Fi 7 with a 320 MHz channel reaching 5.8 Gbps while Bluetooth 5.4 handles peripherals. A Realtek 5 Gbps LAN port provides wired throughput. The tool less EZ M.2 Shield Frozr II simplifies SSD installation and cooling. Realtek ALC897 codec outputs 7.1 channel audio.

Highlights

  • Supports Ryzen 7000, 8000 and 9000 series processors via AM5 socket
  • DDR5 memory overclocked to 8200 MT/s across four slots for high bandwidth
  • PCIe 5.0 x16 slot delivers 128 GB/s bandwidth for latest graphics cards
  • Wi-Fi 7 with 320 MHz channel reaches 5.8 Gbps for low-latency wireless
  • 5 Gbps LAN plus Bluetooth 5.4 give fast, stable wired and wireless connectivity

Specifications

BrandMSI
ModelB850 GAMING PLUS WIFI
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 8200+ MT/s (OC)
Maximum Memory Supported256GB
Channel SupportedDual Channel
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express x12 x PCI Express 3.0 x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 (Support PCIe 4.0 x2) / 1 x M.2 (Support PCIe 4.0 x4) / 1 x M.2 (Support PCIe 5.0 x4)
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetRealtek 8126-VB
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports1 x Clear CMOS Button / 1 x DisplayPort / 1 x Flash BIOS Button / 1 x LAN (RJ45) / 1 x Optical S/PDIF Out / 1 x USB 3.2 Gen 1 Type-A / 1 x USB 3.2 Gen 2 Type-A / 2 x Antenna Bracket / 2 x Audio Jacks / 2 x USB 3.2 Gen 2 Type-C / 4 x USB 2.0/1.1
Form FactorATX
Shipping weight1.75 kg
Package size345 × 274 × 76 mm

Questions about this item

What does DDR5 8200+ MT/s (OC) mean for my Ryzen 7000/8000/9000 build?

The board can run DDR5 memory at 8200+ MT/s when overclocked with compatible Ryzen 7000, 8000 or 9000 series CPUs, using all four 288-pin slots up to 256 GB in dual-channel mode.

How fast is the Wi-Fi 7 connection and what channel width does it use?

Wi-Fi 7 (802.11 be) on this board uses a 320 MHz channel for a maximum theoretical speed of 5.8 Gbps, which is 2.4 times faster than Wi-Fi 6.6E.

What size M.2 drives fit and which slots support PCIe 5.0?

Three M.2 slots are provided: one PCIe 5.0 x4, one PCIe 4.0 x4 and one PCIe 4.0 x2, all with the tool-less EZ M.2 Shield Frozr II heatsink for standard 2280 drives.

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