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White extended ATX motherboard with silver heatsinks, CPU installed, in anti-static bag

ASUS

ASUS ROG Crosshair X870E Glacial AMD motherboard & Ryzen 7 9700X CPU combo

SKU CH-S70Y-9CM5G

AM5 motherboard paired with a Ryzen 7 9700X CPU, offering DDR5 memory up to 8600 MT/s, dual 10Gb Ethernet, Wi-Fi 802.11 be and Bluetooth 5.4

  • 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 7 9700X

  • Ready for demanding AI workloads with robust power and connectivity
  • 24 plus 2 plus 2 power stages rated at 110A each with ProCool II connectors
  • 3D vapor-chamber M.2 heatsink cools one PCIe 5.0 slot plus massive heatsinks linked by heatpipes
  • Dual USB4 Type-C ports at 40Gbps plus twelve USB 10Gbps ports and dual 10Gb Ethernet
  • Supports DDR5 up to 8600 MT/s overclocked with Ryzen 9000 series and 256GB maximum capacity

Combo for AM5 builders

This bundle pairs an ROG Crosshair X870E Glacial motherboard with a Ryzen 7 9700X processor on the AM5 socket. It targets enthusiasts building high-end desktops for AI workloads, gaming and content creation. The board delivers extended ATX layout with robust power delivery and extensive connectivity.

PCIe 5.0 lanes and memory ceiling

The X870E chipset provides two PCIe 5.0 x16 slots configurable to x16 or x8/x8 modes and two CPU-attached M.2 slots at PCIe 5.0 x4. DDR5 support reaches 8600 MT/s with Ryzen 9000 series and 9600 MT/s with Ryzen 8000 series, capped at 256 GB across four slots in dual channel.

24 plus 2 plus 2 power stages

The VRM uses 24 plus 2 plus 2 stages rated at 110 A each, fed by ProCool II connectors, MicroFine alloy chokes and metallic capacitors. This design sustains heavy overclocking headroom for the included 9700X and future Ryzen 9000, 8000 or 7000 series upgrades.

How it compares

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

Price $2,476.99
Pricier than about 99% 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
Model nameROG CROSSHAIR X870E GLACIAL+(R7 9700X)
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

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the combo with the Ryzen 7 9700X or buy the Crosshair X870E Glacial board alone?

The listing is a fixed bundle containing both the ROG Crosshair X870E Glacial motherboard and the Ryzen 7 9700X processor. No separate board-only option is offered in this SKU.

What does the 8600 MT/s memory figure mean when I install the included Ryzen 7 9700X?

With a Ryzen 9000 series CPU such as the 9700X the board supports DDR5 up to 8600 MT/s when overclocked, or 8200 MT/s at its standard overclocked profile.

What does the USB4 40 Gbps interface cap in real use?

The two rear USB4 Type-C ports run at 40 Gbps and carry DisplayPort video, PCIe data and USB 3 traffic simultaneously, so a single fast SSD or dock can saturate the link.

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