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Black E-ATX motherboard with full copper VRM heatsink and included 360 mm AIO cooler featuring dual 6.67 inch AMOLED LCD screens

ASUS

ASUS ROG CROSSHAIR X870E EDITION 20 AMD motherboard

SKU CH-0Q2Z-WSF9H MPN ROG CROSSHAIR X870E EDITION 20

AM5 board with 24+2+2 power stages, 9 M.2 slots, bundled 360 mm AIO and dual 6.67" AMOLED display

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD X870E
  • Form factorExtended ATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8600+MT/s(OC)/8200+MT/s(OC) with Ryzen 9000 S
  • Robust power delivery with 24+2+2 power stages and ProCool II connectors
  • Included ROG RYUJIN 360 EDITION 20 AIO with ASETEK EMMA GEN10 V3RX pump and 40mm radiator
  • Up to nine M.2 slots for extensive DDR5 storage expansion
  • Swivel Dual 6.67" AMOLED LCD with ASUS Infohub control for system monitoring
  • AI optimisation suite with AI Overclocking, AI Cooling II and AI Networking II

AM5 Platform for Ryzen 7000, 8000 and 9000 Series

The ROG Crosshair X870E Edition 20 is an AMD AM5 motherboard built for enthusiasts who want maximum connectivity and overclocking headroom. It supports Ryzen 7000, 8000 and 9000 series processors with up to 256GB of DDR5 memory across four slots. The board includes a bundled ROG Ryujin 360 Edition 20 AIO cooler designed to cool both the CPU and VRM simultaneously. A swivel dual 6.67 inch AMOLED display provides system monitoring and custom visuals.

24+2+2 Power Stages with Full Copper VRM Heatsink

Robust power delivery uses 24+2+2 power stages with ProCool II connectors, MicroFine alloy chokes and premium metallic capacitors. The full-width thermal deck features a pure copper heatsink, dual L-shaped heatpipes and a 3mm backplate heatsink. The included AIO uses an Asetek EMMA Gen10 V3Rx pump and a 40mm thick 20 FPI radiator with a cold plate crafted from 99.95 percent high-purity copper. AI Cooling II balances thermals and acoustics automatically.

Up to Nine M.2 Slots and PCIe 5.0 Graphics Support

Storage capacity reaches nine M.2 slots: five onboard, two via the ROG Hyper M.2 card and two via the ROG Q-DIMM.2 module. Supported form factors include 2242, 2260, 2280 and 22110 with PCIe 5.0 x4 modes on key slots. Two PCIe 5.0 x16 slots with Q-Release Switch handle x16 or x8/x8 configurations. Four SATA 6Gb/s ports and dual 10Gbps LAN round out connectivity. Realtek ALC4082 drives 7.1 surround sound.

How it compares

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

Price $2,693.99
Pricier than about 99% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameROG CROSSHAIR X870E EDITION 20
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports up to
8600+MT/s(OC)/8200+MT/s(OC) with Ryzen 9000 Series Processors,
9600+MT/s(OC)/9200+MT/s(OC) with Ryzen 8000 Series Processors,
8000+MT/s(OC)/8000+MT/s(OC) with Ryzen 7000 Series Processors
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesAMD EXPO / Intel XMP / ASUS AEMP
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors*
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)**
Hyper M.2_1 slot (Key M) via ROG Hyper M.2 card, type 2230/2242/2260/2280/22110 (suppports PCIe 5.0 x4 mode)
Hyper M.2_2 slot (Key M) via ROG Hyper M.2 card, type 2230/2242/2260/2280/22110 (suppports PCIe 5.0 x4 mode)
AMD Ryzen 8700 & 8600 & 8400 Series Desktop Processors*
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports
SATA and RAID support0/1/5/10
Audio & video
Audio chipRealtek ALC4082
Sound channelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4082**
- 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 on front panel
Audio Features
- SupremeFX Shielding Technology
- ESS ES9219 QUAD DAC
- LED-illuminated audio jacks
- Rear optical S/PDIF out port- Premium audio capacitors
Supports LHDC, high-definition bluetooth audio codec, transmission with up to 400 kbit/s bitrate
Connectivity
Maximum network speed2 × 10 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors*
2 x PCIe 5.0 x16 slots with PCIe Q-Release Switch (supports x16 or x8/x8 or x8/x4/x4 or x4/x4/x4/x4 modes)**
AMD Ryzen 8700 & 8600 & 8400 Series Desktop Processors*
2 x PCIe 4.0 x16 slots with PCIe Q-Release Switch (only supports PCIEx16(G5)_1 & total bandwidth for x8, PCIEx16(G5)_2 will run at PCIe 3.0 x4)
AMD Ryzen 8500 & 8300 Series Desktop Processors*
2 x PCIe 4.0 x16 slots with PCIe Q-Release Switch (only supports PCIEx16(G5)_1 & total bandwidth for x4, PCIEx16(G5)_2 will run at PCIe 3.0 x4)
** When PCIEX16_1 runs at PCIe 5.0 x16,
Onboard USB headers2 x USB 20 Gbit/s connector (supports USB Type-C)
2 x USB 5 Gbit/s headers support 4 additional USB 5 Gbit/s ports
3 x USB 2.0 headers support 6 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
1 × 8-pin PCIe Power connector
Size & build
Form factorExtended ATX
Width and length12 in × 10.9 in
Shipping weight22.09 kg
Package size658 × 640 × 330 mm
More details
LightingRGB
BIOS2 × 64 MB (512Mb)
Flash ROM, UEFI AMI BIOS

Questions about this item

How do I install the included ROG RYUJIN 360 EDITION 20 AIO and what step is often missed?

Mount the 360 mm radiator, connect the pump header, then attach the dedicated AIO Q-Connector to power the VRM cold plate — this extra connector is the step builders forget.

What maintenance will the ROG RYUJIN 360 EDITION 20 liquid cooler need later?

The ASETEK EMMA GEN10 V3RX pump is a sealed unit; no coolant top-ups are required, but clean the 20 FPI radiator fins periodically to maintain airflow.

What thermal limit appears first on the VRM during sustained loads?

The 24+2+2 power stages are cooled by a full-width copper deck, dual heatpipes and the AIO VRM cold plate, so VRM throttling is unlikely before CPU thermal limits.

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