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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 socketAM5

Model X870 MAX GAMING WIFI7

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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.

How it compares

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

Price $844.99
Pricier than about 80% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameX870 MAX GAMING WIFI7+R9 9900X
Processor
CPU socketAM5

Other versions of this model

5 more in the same range

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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