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White extended ATX motherboard with integrated I/O cover, large heatsinks, L-shaped heatpipes and a Ryzen 9 9900X3D CPU installed

ASUS

ASUS ROG Crosshair X870E Glacial + Ryzen 9 9900X3D Combo AMD motherboard

SKU CH-6PEV-1CFEK

AM5 motherboard paired with a Ryzen 9 9900X3D CPU, DDR5 to 9600 MT/s, dual 10 Gb Ethernet, Wi-Fi 802.11 be, Bluetooth 5.4, dual USB4, twelve USB 10 Gbps ports, four SATA 6 Gb/s.

  • CPU socketAM5
  • ChipsetAMD X870E
  • Form factorExtended ATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8600+MT/s(OC)/8200+MT/s(OC) with Ryzen 9000 S
  • Max supported RAM256 GB

Model ROG CROSSHAIR X870E GLACIAL

CPU +Ryzen 9 9900X3D

  • Ready for demanding AI workloads with high-speed connectivity
  • 24 power stages rated at 110A plus two more at 110A for stable overclocking
  • 3D vapour-chamber heatsink cools one PCIe 5.0 M.2 slot directly
  • Dual 10Gb Ethernet, Wi-Fi 802.11 be and Bluetooth 5.4 for fast networking
  • Two USB4 Type-C ports at 40Gbps and twelve USB 10Gbps ports expand I/O options

AMD AM5 Platform Bundle

This combo pairs the ROG Crosshair X870E Glacial motherboard with a Ryzen 9 9900X3D processor. The board uses the X870E chipset on an Extended ATX layout and supports Ryzen 9000, 8000 and 7000 series CPUs. It targets enthusiasts building high-end workstations or gaming rigs that need maximum connectivity and overclocking headroom.

Memory Capacity and Speed Headroom

Four 288-pin slots accept up to 256 GB of DDR5 in dual-channel mode. With the included Ryzen 9000 series CPU the board runs memory at 8600+ MT/s when overclocked, while Ryzen 8000 series chips reach 9600+ MT/s and Ryzen 7000 series stop at 8000+ MT/s. ECC un-buffered modules are supported for workloads that require error correction.

Twenty-Eight PCIe 5.0 Lanes From the CPU

The processor provides 16 lanes for graphics plus additional lanes for two onboard PCIe 5.0 M.2 slots and the first PCIe 5.0 x16 slot. This lane budget decides whether you can run a GPU at x16 while populating both high-speed M.2 drives, or must drop the GPU to x8 to keep both drives at full speed.

How it compares

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

Price $2,672.99
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 GLACIAL+(R9 9900 × 3D)
Processor
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
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 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe
SATA and RAID supportAMD RAIDXpert2 Technology
Ryzen 9000 & 8000 & 7000 Series Processors: RAID 0/1/5/10*
* SATA ports from ASM1162 cannot support RAID
Audio & video
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)
* Specifications vary by CPU types.
**
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 length12.0 in × 10.9 in
More details
BIOS2 × 512 Mb Flash ROM, UEFI AMI BIOS

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