What is the maximum memory supported by the ASUS ROG Crosshair X870E Glacial motherboard?

The motherboard supports a maximum memory of 256GB with 4 memory slots for DDR5 RAM.

What type of CPU sockets does the ASUS ROG Crosshair X870E Glacial motherboard support?

The motherboard supports the AM5 CPU socket type and is compatible with AMD Ryzen 7000 Series, 8000 Series, and 9000 Series processors.

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ASUS ROG Crosshair X870E Glacial AM5 AMD X870E Extended ATX Motherboard

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Ready for Advanced AI PCs: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
AMD AM5 Socket: Ready for AMD Ryzen 9000, 8000 and 7000 Series Desktop Processors
Intelligent Control: ASUS-exclusive AI Cache Boost, ASUS AI Advisor, AI Overclocking, AI Cooling II, AI Networking II and AEMP to simplify setup and improve performance
ROG Overclocking Technologies: Dynamic OC Switcher, Core Flex, Asynchronous Clock and PBO Enhancement
Robust Power Solution: 24(110A)+2(110A)+2 power stages with ProCool II power connectors, MicroFine alloy chokes and premium metallic capacitors
Optimized Thermal Design: 3D VC M.2 heatsink for one PCIe 5.0 M.2 slot, Massive heatsinks integrated with the I/O cover, joined by two L-shaped heatpipes and connected to the power stages with high-conductivity thermal pads, ROG Memory Q-Fan
Latest M.2 Support: Two onboard PCIe 5.0 and one onboard PCIe 4.0 M.2 slots plus two PCIe 5.0 M.2 slots via ROG

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

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Overview

Specs

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Model
Brand	ASUS
Model	ROG Crosshair X870E Glacial

Supported CPU
CPU Socket Type	AM5
CPU Type	Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series

Chipsets
Chipset	AMD X870E

Memory
Number of Memory Slots	4x288pin (DDR5)
Memory Standard	Supports 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
Maximum Memory Supported	256GB
Channel Supported	Dual Channel
ECC Supported	Yes
Buffer Supported	Un-buffered

Expansion Slots
PCI Express 5.0 x16	AMD 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. ** When PCIEX16_1 runs at PCIe 5.0 x16, PCIEX16_2 will run at PCIe 3.0 x4. The bandwidth can be altered in the BIOS.

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s
M.2	AMD 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 4.0 x4 mode)** AMD Ryzen 8500 & 8300 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 (Not supports) AMD X870E Chipset M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) DIMM.2_1 slot (Key M) via ROG Q-DIMM.2, type 2230/2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) DIMM.2_2 slot (Key M) via ROG Q-DIMM.2, type 2230/2242/2260/2280/22110 (supports PCIe 4.0 x2 mode) * Specifications vary by CPU types. ** USB 40Gbps Type-C ports on the back panel and M.2_2 slot share PCIe 5.0 x4 bandwidth. Both run at PCIe 5.0 x2 when a device is installed in the M2_2 slot. You can switch M2_2 to PCIe 5.0 x4 in the BIOS, but this will disable the USB 40Gbps Type-C ports.
SATA RAID	AMD RAIDXpert2 Technology Ryzen 9000 & 8000 & 7000 Series Processors: RAID 0/1/5/10* * SATA ports from ASM1162 cannot support RAID

Onboard Audio
Audio Channels	ROG 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 kbps bitrate and 24-bit/192 kHz sampling rate.* * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. ** The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make sure to connect your audio output device to the audio jack on the front panel of your chassis or use a USB interface audio device.

Onboard LAN
Max LAN Speed	2 x 10Gbps
Wireless LAN	Wi-Fi 802.11 be
Bluetooth	Bluetooth 5.4

Rear Panel Ports
Back I/O Ports	2 x USB4 (40Gbps) ports (2 x USB Type-C) 12 x USB 10Gbps ports (8 x Type-A + 4 x USB Type-C) 1 x Wi-Fi Module 2 x Realtek 10Gb Ethernet ports 2 x LED-illuminated audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack button 1 x Clear CMOS button

Internal I/O Connectors
Onboard USB	2 x USB 20Gbps connector (supports USB Type-C) 2 x USB 5Gbps headers support 4 additional USB 5Gbps ports 3 x USB 2.0 headers support 6 additional USB 2.0 ports
Other Connectors	Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 2 x 4-pin Chassis Fan headers 2 x 4-pin Radiator Fan headers 2 x W_PUMP+ headers 1 x AIO Q-Connector 1 x Extra Flow Fan header Storage related 3 x M.2 slots (Key M) 1 x DIMM.2 slot supports 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports Miscellaneous 1 x 6-pin ARGB Gen 2 header to support 2 x ARGB Gen 2 headers 2 x Addressable Gen 2 header 1 x Alteration PCIe mode switch 2 x BCLK button 1 x BIOS Switch 1 x FlexKey button 1 x Front Panel Audio header (F_AUDIO) 1 x LN2 Mode jumper 12 x ProbeIt Measurement Points 1 x ReTry button 1 x RSVD header 1 x Safe Boot button 1 x Start button 1 x 10-1 pin System Panel header 1 x Thermal Sensor header

Physical Spec
Form Factor	Extended ATX
Dimensions (W x L)	12.0" x 10.9"
Power Pin	1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connector 1 x 8-pin PCIe Power connector

Software Feature
BIOS Feature	2 x 512 Mb Flash ROM, UEFI AMI BIOS
Software	ROG Exclusive Software - ROG CPU-Z - Dolby Atmos - LCD Display - Internet Security (1-year full version) ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 4 (with AI Cooling II) - GameFirst - WiFi Q-Antenna - MLO Wizard ASUS DriverHub - ASUS MB Manage - ASUS AI Advisor - AIDA64 Extreme (1 year full version) - HWiNFO - Turbo Vcore - ASUS GlideX - USB Wattage Watcher WinRAR (40 Days Free Trial) Adobe Creative Cloud (Free Trial) UEFI BIOS Integrated WiFi Driver Support AI Overclocking Guide AI Cache Boost ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey FlexKey

Additional Information
First Listed on Newegg	March 19, 2026

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Item#: N82E16813119769R