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Black ATX motherboard with massive heatsinks, two DDR5 slots, covered I/O and ROG branding

ASUS

ASUS ROG CROSSHAIR X870E APEX AMD X870E AM5 ATX motherboard

SKU CH-32ZC-NS6VR MPN ROG CROSSHAIR X870E APEX

AM5 board with 18+2+2 110A stages, dual DDR5 slots to 9600 MT/s, three PCIe 5.0 M.2 slots, Wi-Fi 7, 5G LAN, USB4, ROG DIMM.2 card and memory fan kit

  • CPU Socket TypeAM5
  • CPU TypeAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desk
  • ChipsetAMD X870E
  • Number of Memory Slots2x288pin (DDR5)
  • Memory Standard2 x DIMM slots, max. 128GB, DDR5 Supports up to 8200+MT/s(OC
  • Maximum Memory Supported128GB
  • Ready for Advanced AI PCs with power and connectivity for demanding AI applications
  • AMD AM5 socket supports Ryzen 9000, 8000 and 7000 Series Desktop Processors
  • 18+2+2 power stages with 110A and 80A ratings deliver robust power for overclocking
  • DDR5 memory overclocking up to 9600+ MT/s enabled by ROG Memory Fan kit
  • Three onboard PCIe 5.0 M.2 slots plus two PCIe 4.0 M.2 slots on ROG DIMM.2 card

Target Builder

This ATX motherboard uses the AMD X870E chipset and AM5 socket for Ryzen 9000, 8000 and 7000 series CPUs. It suits enthusiasts who want a compact two-slot DDR5 layout with a dedicated ROG Memory Fan kit and a bundled ROG DIMM.2 card. Builders needing four DIMM slots or a larger M.2 count directly on the board should consider other models.

Deciding Spec

The board provides only two DDR5 slots with a maximum capacity of 128 GB. This limit determines whether the platform can meet your memory needs before you commit to the rest of the feature set.

Highlights

  • Ready for Advanced AI PCs with power and connectivity for demanding AI applications
  • AMD AM5 socket supports Ryzen 9000, 8000 and 7000 Series Desktop Processors
  • 18+2+2 power stages with 110A and 80A ratings deliver robust power for overclocking
  • DDR5 memory overclocking up to 9600+ MT/s enabled by ROG Memory Fan kit
  • Three onboard PCIe 5.0 M.2 slots plus two PCIe 4.0 M.2 slots on ROG DIMM.2 card

Specifications

BrandASUS
SeriesROG
ModelROG CROSSHAIR X870E APEX
Part Number90MB1KR0-MVAAY0
CPU Socket TypeAM5
CPU TypeAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
ChipsetAMD X870E
Number of Memory Slots2x288pin (DDR5)
Memory Standard2 x DIMM slots, max. 128GB, DDR5
Supports up to
8200+MT/s(OC) with Ryzen™ 9000 Series Processors,
9600+MT/s(OC) with Ryzen™ 8000 Series Processors
8000+MT/s(OC) with Ryzen™ 7000 Series Processors,
ECC and Non-ECC, Un-buffered DIMM*
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
ASUS Enhanced Memory Profile (AEMP)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information sit
Maximum Memory Supported128GB
ECC SupportedNon-ECC
PCI Express 5.0 x16AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
2 x PCIe 5.0 x16 slots with Q-Release Slim (supports x16 or x8/x8** or x8/x4/x4 modes***)
** When you use both PCIEX16_1 and PCIEX16_2, PCIEX16_1 and PCIEX16_2 will run x8.
***When M.2_3 are enabled, PCIEX16_1 will run x8, and PCIEX16_2 will run x4.
**** When M.2_2 and M.2_3 are enabled simultaneously, PCIEX16_2 will be disabled.
PCI Express 4.0 x16AMD Ryzen™ 8700 & 8600 & 8400 Series Desktop Processors*
2 x PCIe 4.0 x16 slots with Q-Release Slim (only supports PCIEx16_1 & total bandwidth for x8, PCIEx16_2 will be disabled)
AMD Ryzen™ 8500 & 8300 Series Desktop Processors*
2 x PCIe 4.0 x16 slots with Q-Release Slim (only supports PCIEx16_1 & total bandwidth for x4, PCIEx16_2 will be disabled)
AMD X870E Chipset
1 x PCIe 4.0 x4 slot
1 x PCIe 3.0 x1 slot
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
- To ensure compatibility of the device installed, please refer to https
Serial ATA (SATA)4 x SATA 6Gb/s
M.2Supports 5 x M.2 slots and 4 x SATA 6Gb/s ports*
AMD Ryzen™ 9000 & 7000 Series Desktop Processors***
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
AMD Ryzen™ 8000 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)
M.2_3 slot (Key M), type 2242/2260/2280 (Not supports)
AMD X870E Chipset
DIMM.2_1 slot (Key M), type 2230/2242/2260/2280
SATA RAID0/1/5/10
Audio ChannelsROG 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 on front panel
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Gold-plated audio jacks
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* A chassis with an HD audio module in the front panel is required to support 7.1 Su
Second LAN Chipset1 x Realtek 5Gb Ethernet
ASUS LANGuard
Max LAN Speed5Gbps
Wireless LANWi-Fi 7*
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency band**
Supports Wi-Fi 7 320MHz bandwidth, up to 6.5Gbps transfer rate.
Bluetooth® v5.4***
*Wi-Fi features may vary depending on the operating system
For Windows 11, Wi-Fi 7 will require 24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only support Wi-Fi 6E.
For Windows 10, please note that no driver is available, refer to the Wi-Fi chipset vendor's website for details.
** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.
*** The Bluetooth® version may vary, please refer to th
BluetoothYes
Back I/O Ports2 x USB4® (40Gbps) ports (2 x USB Type-C®)
6 x USB 10Gbps ports (5 x Type-A + 1 x USB Type-C®)
2 x USB 5Gbps ports (2 x Type-A)
1 x Wi-Fi module
1 x Realtek 5Gb Ethernet port
1 x PS/2 keyboard/mouse combo port
2 x Gold-plated audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button
1 x Clear CMOS button
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
2 x 4-pin Chassis Fan headers
2 x 4-pin Full Speed Fan headers
1 x W_PUMP+ header
1 x Extra Flow Fan header
Power Related
1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connectors
1 x 8-pin PCIe Power connector
Storage Related
3 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
2 x USB 20Gbps connectors (support USB Type-C® )
2 x USB 5Gbps headers support 4 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Miscellaneous
1 x 80 Light Bar jumper
3
Form FactorATX
Dimensions (W x L)12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Windows 11Supported
Shipping weight3.86 kg
Package size368 × 305 × 114 mm

Questions about this item

What does the 18+2+2 power-stage layout mean once the board is in a real machine?

It provides 18 Vcore stages rated at 110 A, plus two VCCGT stages at 110 A and two VSOC stages at 80 A, all fed by ProCool II connectors for stable delivery to Ryzen 9000, 8000 and 7000 CPUs.

Which PCIe standard do the primary M.2 slots use and what does that cap in practice?

Three onboard M.2 slots run at PCIe 5.0 x4, while two more on the DIMM.2 card run at PCIe 4.0 x4; actual throughput depends on the installed Ryzen processor generation.

What does the board physically need to fit the ROG DIMM.2 card and memory fan kit?

Two DDR5 DIMM slots accept up to 128 GB total; the DIMM.2 card mounts vertically beside them and the memory fan clips onto the same area, so case height clearance must accommodate both.

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