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ATX motherboard in dark finish with silver heatsinks and a Ryzen CPU in the socket

MSI

MSI MAG B850 GAMING PLUS MAX WIFI AMD motherboard & Ryzen 5 9600X CPU combo

SKU CH-734K-ZXJCJ

AM5 motherboard and six-core CPU combo with DDR5 up to 8200 MT/s, PCIe 5.0 M.2, Wi-Fi 7 and 5G LAN

  • CPU socketAM5
  • ChipsetAMD B850
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Max supported RAM256 GB
  • Memory channelsDual Channel
  • Ready for future CPU upgrades with 64MB BIOS
  • DDR5 memory boost up to 8200+ MT/s overclocking
  • PCIe 5.0 M.2 slot delivers 128GB/s bandwidth
  • Wi-Fi 7 with 160MHz channel reaches 2.9Gbps
  • 5G LAN and 10Gbps USB for fast wired connectivity

Combo Foundation

This bundle pairs an MSI MAG B850 GAMING PLUS MAX WIFI motherboard with an AMD Ryzen 5 9600X processor on the AM5 platform. It targets gamers and content creators who want a modern DDR5 foundation with integrated Wi-Fi 7 and 5G LAN. The 64MB BIOS ROM supports future CPU upgrades for long-term platform value. The 6-core CPU delivers smooth 100+ FPS in popular titles.

Build Checklist

Verify that your chassis accepts a standard ATX board and that your power supply provides an 8-pin EPS connector plus PCIe power for your graphics card. The kit includes four 288-pin DDR5 slots supporting up to 256GB in dual-channel mode. You will need a CPU cooler with AM5 mounting hardware. Three M.2 slots are available, one wired for PCIe 5.0 x4 speeds.

Upgrade Context

The combo replaces an older AM4 or early AM5 system when you need PCIe 5.0 storage bandwidth and Wi-Fi 7 wireless performance. The board adds EZ PCIe Release for tool-less graphics card swaps and EZ M.2 Shield Frozr II for heatsink installation. The jump is worth it if your current platform limits M.2 speeds to PCIe 4.0 or lacks 5G wired networking.

How it compares

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

Price $473.99
Pricier than about 65% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Model nameMAG B850 GAMING PLUS MAX WIFI+R5 9600X
Processor
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count4 × 288pin (DDR5)
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportNon-ECC
BufferingUn-buffered
Storage
M.2 slots3 x M.2 (Support PCIe 5.0 x4, PCIe 4.0 x4, PCIe 4.0 x2)
Graphics
Onboard video chipDepends on installed processor
Audio & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 8126
Maximum network speed5 Gbit/s
Bluetooth supportYes
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
Rear panel ports4 x USB 2.0
1 x USB 5 Gbit/s Type-A
1 x USB 10 Gbit/s Type-A
2 x USB 10 Gbit/s Type-C
1 x DisplayPort
Serial ports1
DisplayPort connectors1 x DisplayPort
Onboard USB headers4 x USB 5 Gbit/s + 4 x USB 2.0 + 1 x USB Type-C header, with USB 5 Gbit/s
Size & build
Form factorATX
Width and length243.84 mm × 304.8 mm
More details
LightingRGB

Questions about this item

Will the board fit a standard ATX case and cooler?

The motherboard uses the AM5 socket and a standard ATX layout, so any ATX case and AM5-compatible cooler will fit.

What memory speeds can I run with the Ryzen 5 9600X?

The board supports DDR5 up to 8200+ MT/s when overclocked, and runs at standard JEDEC speeds out of the box.

Can I use a PCIe 5.0 graphics card and a Gen5 M.2 SSD at the same time?

Yes, the primary x16 slot is PCIe 5.0 and one M.2 slot also supports PCIe 5.0 x4, both wired from the CPU.

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