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ATX motherboard in dark finish with silver heatsinks, CPU socket and cooler visible

ASUS

ASUS ROG STRIX X870E-E GAMING WIFI AMD Motherboard & Ryzen 9 9900X Combo

SKU CH-FGDW-T9E9C

AM5 motherboard and 12-core Ryzen 9 9900X CPU combo with 18+2+2 power stages, three PCIe 5.0 M.2 slots, DDR5 up to 8000 MT/s, WiFi 7 and dual USB4 ports

  • ChipsetAMD X870E
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 4400
  • Max supported RAM192 GB
  • Memory channelsDual Channel

Model ROG STRIX X870E-E GAMING WIFI

CPU +R9 9900X

  • Ready for AI workloads with X870E chipset and Ryzen 9000 series support
  • 12-core Ryzen 9 9900X delivers 5.6 GHz max boost for heavy multitasking
  • 18+2+2 power stages rated at 110 A each ensure stable overclocking headroom
  • Three PCIe 5.0 M.2 slots plus two PCIe 4.0 slots give high-speed storage flexibility
  • WiFi 7 and Bluetooth 5.4 with 5 Gbps LAN provide fast wireless and wired connectivity

Ready for AI workloads

This motherboard and CPU combo pairs the ROG STRIX X870E-E GAMING WIFI with a Ryzen 9 9900X processor. The 12 core, 24 thread chip reaches 5.6 GHz max boost and provides 64 MB L3 cache. It targets enthusiasts building advanced AI PCs who need high multi-thread performance and extensive platform connectivity.

Platform interface limits

The AM5 socket supports Ryzen 9000, 8000 and 7000 series processors. Four DDR5 slots accept up to 192 GB at 4400 MT/s standard, with overclocked speeds beyond 8000 MT/s on 9000 series chips. One PCIe 5.0 x16 slot and one PCIe 4.0 x16 slot at x4 mode handle graphics and add-in cards. Four SATA 6Gb/s ports remain for legacy storage.

Build quality and daily connectivity

An 18+2+2 power stage design rated at 110 A per stage uses dual ProCool II connectors, alloy chokes and durable capacitors. Three PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots include substantial heatsinks. Rear I/O provides dual USB4 Type-C ports, one USB 20Gbps Type-C with 30 W PD, nine USB 10Gbps ports, 5 Gbps LAN, WiFi 7 and Bluetooth 5.4. SupremeFX 7.1 audio uses the ALC4080 codec with impedance sensing.

How it compares

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

Price $1,069.99
Pricier than about 90% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameROG STRIX X870E-E GAMING WIFI+R9 9900X
Processor
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 4400
Max supported RAM192 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
SATA and RAID support*AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. RAID 5 Funciton is only supportted by AMD Ryzen 9000 series CPU.
Audio & video
Audio chipROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback
Audio Features
- Audio Shielding
- Savitech SV3H712 AMP
- Gold-plated audio jacks
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make sure
Sound channels7.1 Channels
Connectivity
Maximum network speed5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slots (supports x16 mode)
PCIe 4.0 x16 slotsAMD X870E Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)
USB 3.0 portsUSB4
Onboard USB headers1 x USB 20 Gbit/s connector (supports USB Type-C)
2 x USB 5 Gbit/s headers support additional 4 USB 5 Gbit/s ports
3 x USB 2.0 headers support additional 6 USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connectors
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

Should I pick the 12-core Ryzen 9 9900X or a different CPU for this board?

The combo includes the 12-core 24-thread Ryzen 9 9900X with 5.6 GHz max boost and 64 MB L3 cache, so no separate CPU choice is needed.

What does the 5.6 GHz boost clock deliver in daily use?

The 5.6 GHz max boost on the 12-core Ryzen 9 9900X gives high single-thread speed for gaming and responsive multi-thread throughput for content creation.

How fast are the three PCIe 5.0 M.2 slots in practice?

Three onboard PCIe 5.0 M.2 slots run at x4 each, capped by the Ryzen 9000-series CPU lanes, while two extra slots run at PCIe 4.0 x4 from the X870E chipset.

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