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ATX motherboard with large VRM heatsinks and pre-mounted I/O shield plus Ryzen 9 9900X CPU

ASUS

ASUS X870 MAX GAMING WIFI7 Motherboard & AMD Ryzen 9 9900X CPU Combo

SKU CH-3K5Y-QZ9D3

Pairs an X870 ATX board with Wi-Fi 7, three M.2 slots, USB4 40Gbps and 2.5Gb Ethernet to a 12-core 24-thread Ryzen 9 9900X reaching 5.6 GHz

  • CPU Socket TypeAM5

model X870 MAX GAMING WIFI7

+CPU + Ryzen 9 9900X

  • Ready for demanding AI workloads with high power delivery and fast connectivity
  • Stable power for 12-core CPU via 12+2+1 80A DrMOS stages and 8-layer PCB
  • Ultrafast networking and transfers with Wi-Fi 7, 2.5Gb Ethernet, USB4 40Gbps and front USB 20Gbps Type-C
  • Comprehensive cooling keeps VRM, M.2 and PCH temperatures low under heavy loads
  • DIY-friendly build with pre-mounted I/O shield, PCIe Slot Q-Release and BIOSFlashBack

Combo foundation

This bundle pairs an ASUS X870 MAX GAMING WIFI7 motherboard with an AMD Ryzen 9 9900X processor. The board uses the AM5 socket and supports Ryzen 7000, 8000 and 9000 series CPUs. The included 12-core, 24-thread chip runs on Zen 5 architecture with a 5.6 GHz max boost and 64 MB L3 cache. It targets builders who want a matched platform for AI workloads and high-end gaming.

Build integration

The motherboard delivers PCIe 5.0 for graphics and one M.2 slot, plus Wi-Fi 7 and Realtek 2.5Gb Ethernet. USB4 ports reach 40Gbps and a front-panel header adds 20Gbps Type-C. DDR5 memory is supported up to 5600 speeds. Large VRM heatsinks, M.2 and PCH cooling, plus Fan Xpert 4 with AI Cooling II handle thermals. Pre-mounted I/O shield, PCIe Slot Q-Release and BIOSFlashBack simplify assembly.

Upgrade perspective

The combo replaces an older AM4 or early AM5 system with a 12+2+1 80A DrMOS power design on an 8-layer PCB. The jump is worthwhile when moving to DDR5 memory, PCIe 5.0 storage and Wi-Fi 7 connectivity. Three addressable RGB Gen 2 headers with Aura Sync unify lighting. The platform readies the PC for advanced AI applications and future Ryzen 9000 series processors.

Highlights

  • Ready for demanding AI workloads with high power delivery and fast connectivity
  • Stable power for 12-core CPU via 12+2+1 80A DrMOS stages and 8-layer PCB
  • Ultrafast networking and transfers with Wi-Fi 7, 2.5Gb Ethernet, USB4 40Gbps and front USB 20Gbps Type-C
  • Comprehensive cooling keeps VRM, M.2 and PCH temperatures low under heavy loads
  • DIY-friendly build with pre-mounted I/O shield, PCIe Slot Q-Release and BIOSFlashBack

Specifications

BrandASUS
ModelX870 MAX GAMING WIFI7+R9 9900X
CPU Socket TypeAM5

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How does the 5.6 GHz max boost behave when the 12-core CPU runs all day?

The 12+2+1 80A DrMOS power stages and 8-layer PCB deliver stable power, so the VRM heatsinks and Fan Xpert 4 with AI Cooling II manage thermals before the silicon hits its thermal ceiling.

What noise and heat levels should I expect from the VRM and M.2 heatsinks under continuous load?

Large VRM heatsinks, M.2 and PCH heatsinks plus hybrid fan headers controlled by Fan Xpert 4 and AI Cooling II keep temperatures in check while fan curves stay quiet during sustained workloads.

Which DDR5 memory kit do I need to have on hand for this AM5 combo to post?

The Ryzen 9 9900X supports DDR5-5600, so a DDR5 kit rated at 5600 MT/s or higher is required for the system to boot and run.

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