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ATX motherboard with large VRM heatsinks, four DDR5 slots, dual M.2 covers, rear I/O shield and a Ryzen 9 9900X CPU in AM5 socket

ASUS

ASUS TUF GAMING B850-PLUS WIFI & Ryzen 9 9900X AMD motherboard

SKU CH-RX2B-G489C

ATX motherboard with 14+2+1 80A power stages, four DDR5 slots up to 192 GB, dual M.2 PCIe 5.0, 2.5G LAN plus Wi-Fi 7, ten USB ports including 20 Gbps Type-C.

  • Number of Memory SlotsDDR5
  • Maximum Memory Supported192GB
  • Channel SupportedDual Channel
  • Form FactorATX
  • Dimensions (W x L)12.0" x 9.6"
  • Windows 11Windows 11 (22H2 & later)

Motherboard TUF GAMING B850 - PLUS WIFI

顯示另外 3 款選項

CPU + Ryzen 9 9900X

  • Stable power delivery for Ryzen 9000 series with 14+2+1 80A VRM and 8-layer PCB
  • Up to 192GB DDR5 overclocked to 8000 MT/s via AEMP on four slots
  • Comprehensive cooling from enlarged VRM, M.2 and PCH heatsinks with multi-source fan control
  • 5G LAN plus Wi-Fi 7 tri-band reaching 2.9Gbps for low-latency connectivity
  • 12-core 24-thread Ryzen 9 9900X at 5.6GHz boost with 64MB L3 cache

Combo Platform

This bundle pairs the ASUS TUF GAMING B850-PLUS WIFI motherboard with an AMD Ryzen 9 9900X processor. The 12-core, 24-thread CPU uses the Zen 5 architecture and reaches a 5.6 GHz maximum boost clock. It targets builders who want a matched AM5 foundation for high-end gaming or content creation.

Build Integration

The board delivers a 14+2+1 80A power design on an 8-layer PCB with ProCool connectors to sustain the included CPU. Four DDR5 slots support up to 192 GB in dual-channel mode and AEMP profiles up to 8000+ MT/s. Dual M.2 PCIe 5.0 slots and multiple heatsinks keep storage cool. Rear I/O supplies ten ports including USB 20Gbps Type-C and three USB 10Gbps ports.

Buyer Fit

Suits enthusiasts assembling a new AM5 system who value integrated Wi-Fi 7, 2.5G LAN and robust VRM cooling in one purchase. Builders needing a smaller form factor, a different chipset feature set, or a lower-tier processor should evaluate separate components instead.

商品特色

  • Stable power delivery for Ryzen 9000 series with 14+2+1 80A VRM and 8-layer PCB
  • Up to 192GB DDR5 overclocked to 8000 MT/s via AEMP on four slots
  • Comprehensive cooling from enlarged VRM, M.2 and PCH heatsinks with multi-source fan control
  • 5G LAN plus Wi-Fi 7 tri-band reaching 2.9Gbps for low-latency connectivity
  • 12-core 24-thread Ryzen 9 9900X at 5.6GHz boost with 64MB L3 cache

商品規格

BrandASUS
ModelTUF GAMING B850-PLUS WIFI+R9 9900X
Number of Memory SlotsDDR5
Maximum Memory Supported192GB
Channel SupportedDual Channel
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Windows 11Windows 11 (22H2 & later)

其他版本

同系列還有 5 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

What limits the VRM when the Ryzen 9 9900X runs at full load for long periods?

The 14+2+1 80A power stages with 8-layer PCB and ProCool connector are rated to deliver stable current to the 12-core CPU without throttling.

How loud or hot does the board get when the system runs all day?

Enlarged VRM heatsink, multiple M.2 heatsinks, PCH heatsink and intelligent fan monitoring keep temperatures controlled during sustained workloads.

Which memory kit must I already own for this combo to POST?

You need DDR5 modules; the board has four slots supporting dual-channel up to 192GB and AEMP profiles for 8000+ MT/s overclocking.

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