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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 Socket TypeAM5
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • ECC SupportedNon-ECC
  • 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.

Highlights

  • 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

Specifications

BrandMSI
ModelMAG B850 GAMING PLUS MAX WIFI+R5 9600X
CPU Socket TypeAM5
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express 3.0 x161 x PCI Express 3.0 x16
M.23 x M.2 (Support PCIe 5.0 x4, PCIe 4.0 x4, PCIe 4.0 x2)
Onboard Video ChipsetDepends on installed processor
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetRealtek 8126
Max LAN Speed5Gbps
BluetoothYes
Back I/O Ports4 x USB 2.0
1 x USB 5Gbps Type-A
1 x USB 10Gbps Type-A
2 x USB 10Gbps Type-C
1 x DisplayPort
COM1
DisplayPort1 x DisplayPort
Onboard USB4 x USB 5Gbps + 4 x USB 2.0 + 1 x USB Type-C header, with USB 5Gbps
Form FactorATX
LED LightingRGB
Dimensions (W x L)243.84mm x 304.8mm

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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