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ATX motherboard with silver heatsinks and black PCB, CPU installed in AM5 socket

ASUS

ASUS ROG STRIX X870E-H GAMING WIFI7 + Ryzen 9 9900X3D AMD motherboard combo

SKU CH-FHW8-R7PH3

An AMD AM5 motherboard and Ryzen 9 9900X3D CPU combo with 16+2+1 power stages, DDR5 support to 8000+ MT/s, WiFi 7, Realtek 5Gb Ethernet, four M.2 slots and 128 MB L3 cache

  • CPU socketAM5
  • ChipsetAMD X870E
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8000+MT/s(OC) with Ryzen
  • Max supported RAM256 GB

Model ROG STRIX X870E-H GAMING WIFI7

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CPU + Ryzen 9 9900X3D

  • AM5 socket supports Ryzen 9000, 8000 and 7000 series processors
  • 16+2+1 power stages rated 80A with dual ProCool II connectors for stable multi-core delivery
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots each with substantial cooling solutions
  • Onboard WiFi 7 plus Realtek 5Gb Ethernet for high-performance networking
  • Bundled Ryzen 9 9900X3D with 128MB L3 cache and integrated Radeon graphics

Motherboard & CPU Combo

This bundle pairs the ROG STRIX X870E-H GAMING WIFI7 motherboard with the AMD Ryzen 9 9900X3D processor. The AM5 socket board supports Ryzen 9000, 8000 and 7000 series chips. The CPU delivers 12 cores built on TSMC 4nm FinFET Granite Ridge architecture with a 120W TDP. Integrated AMD Radeon graphics provide video output without a discrete card.

Check Your Setup

Verify that your chassis accepts an ATX board measuring 12.0" x 9.6". Confirm your power supply includes dual 8-pin ProCool II connectors for the 16+2+1 power stage design. Ensure DDR5 memory kits are on the motherboard QVL for speeds up to 8000 MT/s. Check that your CPU cooler clears the large VRM heatsinks and integrated I/O cover.

What the Extras Deliver

Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots each include substantial heatsinks for sustained throughput. WiFi 7 (802.11be) and Realtek 5Gb Ethernet handle high-bandwidth networking. Rear I/O provides two USB4 40Gbps Type-C ports, four USB 10Gbps ports, six USB 5Gbps ports and two USB 2.0 ports. ASUS AI Advisor, AI Cache Boost, AI Networking II and AEMP simplify tuning.

How it compares

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

Price $1,365.99
Pricier than about 92% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineROG STRIX
Model nameROG STRIX X870E-H GAMING WIFI7+R9 9900 × 3D
Part numberROG STRIX X870E-H GAMING WIFI7+R9 9900 × 3D
Processor
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports up to 8000+MT/s(OC) with Ryzen
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportNon-ECC
Storage
SATA and RAID supportAMD RAIDXpert2 Technology
Ryzen 9000 Series Processors: RAID 0/1/5/10
Ryzen 8000 Series Processors: RAID 0/1
Ryzen 7000 Series Processors: RAID 0/1/10
Audio & video
Sound channels7.1 Channels
Connectivity
Maximum network speed5 Gbit/s
Ports & slots
Onboard USB headers1 x USB 20 Gbit/s connector (supports USB Type-C)
1 x USB 5 Gbit/s header supports 2 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

5 more in the same range

Questions about this item

What comes in the combo box and what must I source separately?

The combo includes the ROG STRIX X870E-H GAMING WIFI7 motherboard and the Ryzen 9 9900X3D processor. You will need to buy DDR5 memory modules, storage drives, a graphics card, a CPU cooler, a power supply and a case to complete the build.

How do I choose between the four M.2 slots when adding storage?

Two slots run at PCIe 5.0 speeds and two at PCIe 4.0 speeds, all with substantial cooling. Install your fastest drive in a PCIe 5.0 slot for maximum throughput; use the PCIe 4.0 slots for additional capacity.

What does the 120W TDP of the 9900X3D mean for my cooling choice?

The 120W rating indicates the sustained heat the cooler must dissipate. Select an air cooler or AIO rated for at least 120W, and connect it to the 4-pin CPU or AIO Pump header on the board.

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