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ATX motherboard in black with silver heatsinks and four DDR5 slots

MSI

MSI B850 GAMING PLUS WIFI AMD motherboard

SKU CH-GT44-JKH66 MPN B850 GAMING PLUS WIFI

ATX motherboard for AMD Ryzen 7000, 8000 and 9000 processors with DDR5 memory up to 8200 MT/s, PCIe 5.0 graphics slot, triple M.2 connectors, 5G LAN and Wi-Fi 7

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 8200+ MT/s (OC)

Model B850 GAMING PLUS WIFI

  • Supports Ryzen 7000, 8000 and 9000 series processors on AM5 socket
  • DDR5 memory overclocked to 8200 MT/s across four slots with 256 GB capacity
  • PCIe 5.0 x16 slot plus three M.2 connectors including one Gen5 lane
  • Wi-Fi 7 with 320 MHz channel and Bluetooth 5.4 for 5.8 Gbps wireless
  • 5 Gbps LAN and Realtek ALC897 7.1 channel audio for fast wired networking and studio sound

AM5 Platform for Ryzen 7000 8000 9000

The MSI B850 GAMING PLUS WIFI is an ATX motherboard built around the AMD B850 chipset and AM5 socket. It supports Ryzen 7000 Series, Ryzen 8000 Series and Ryzen 9000 Series desktop processors. Four 288-pin DDR5 slots accept up to 256GB of memory running at 8200 MT/s when overclocked. The board also provides 5G LAN, Wi-Fi 7 and Bluetooth 5.4 connectivity for modern networking needs.

Sustained Load Power Delivery

A 12 Duet Rail Power System with P-PAK components and dual 8-pin CPU power connectors feeds the processor through a digital PWM design. Core Boost technology and EZ OC Tuning functions help the voltage regulators maintain stable output during extended heavy workloads. The layout includes two-phase SOC power and one-phase miscellaneous power to keep key rails steady when the system runs demanding game settings for long periods.

Thermals Noise and Power Draw

Frozr Guard combines an extended heatsink with 7W/mK MOSFET thermal pads and extra choke thermal pads to spread heat away from the power circuitry. EZ M.2 Shield Frozr II covers the PCIe 5.0 M.2 slot with a tool-less shield that doubles as a heatsink. Fan headers include a 2A CPU fan header and a 3A combo fan header that supports both PWM and DC modes, allowing coordinated cooling without excessive noise.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $146.99
Cheaper than about 63% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Model nameB850 GAMING PLUS WIFI
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 8200+ MT/s (OC)
Max supported RAM256 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots1 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 & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 8126-VB
Maximum network speed5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slots1 x PCI Express 5.0 x16
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe x1 slots2 x PCI Express 3.0 x1
Rear panel 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
Size & build
Form factorATX
Shipping weight1.75 kg
Package size345 × 274 × 76 mm

Other versions of this model

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Questions about this item

How loud or hot does the 12 Duet Rail Power System run under sustained load?

The board uses a 12 Duet Rail Power System with P-PAK and extended heatsinks plus 7W/mK MOSFET pads to dissipate heat from the CPU voltage regulators during long sessions.

Which memory kit do I need so the four DDR5 slots work at the rated 8200 MT/s?

Install a DDR5 kit rated for 8200 MT/s or higher; the four 288-pin slots support dual-channel up to 256 GB total when XMP or EXPO is enabled in BIOS.

Will my PCIe 4.0 graphics card and SATA SSDs work in the PCIe 5.0 x16 and SATA 6Gb/s ports?

Yes, the PCIe 5.0 x16 slot and the four SATA 6Gb/s ports are backward compatible with PCIe 4.0 GPUs and existing SATA drives.

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