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ATX motherboard with CPU installed, dark heatsinks, integrated I/O cover, ROG branding

ASUS

ASUS ROG CROSSHAIR X870E APEX AMD motherboard with Ryzen 7 9800X3D CPU

SKU CH-SWY5-76ZAV

AM5 motherboard and Ryzen 7 9800X3D CPU combo with 18+2+2 power stages, DDR5 up to 9600 MT/s, Wi-Fi 7, three PCIe 5.0 M.2 slots and ROG Memory Fan

  • ProcessorAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desk
  • ChipsetAMD X870E
  • Form factorATX
  • CPU socketAM5
  • Memory slot count2 × 288pin (DDR5)
  • Supported memory2 x DIMM slots, max. 128 GB, DDR5 Supports up to 8200+MT/s(O

Model ROG CROSSHAIR X870E APEX

CPU +Ryzen 7 9800X3D

  • Supports Ryzen 9000, 8000 and 7000 series CPUs on AM5 socket
  • 18+2+2 power stages rated 110A and 80A for stable overclocking
  • DDR5 memory overclocking up to 9600+ MT/s with ROG Memory Fan kit
  • Wi-Fi 7 2x2 with 320MHz bandwidth for up to 6.5Gbps transfer rate
  • Five M.2 slots including three PCIe 5.0 and two PCIe 4.0 on ROG DIMM.2 card

AM5 platform for Ryzen 9000 series

This bundle pairs the ROG CROSSHAIR X870E APEX motherboard with an AMD Ryzen 7 9800X3D processor. The board uses the X870E chipset and an AM5 socket that supports Ryzen 9000, 8000 and 7000 series CPUs. It is built for enthusiasts who want a high-end desktop foundation with integrated AI-assisted tuning tools.

Two DDR5 slots rated to 9600 MT/s

The motherboard provides only two 288-pin DDR5 slots with a maximum capacity of 128 GB. Overclocked memory speeds reach 8200 MT/s with Ryzen 9000, 9600 MT/s with Ryzen 8000 and 8000 MT/s with Ryzen 7000 series processors. This two-slot layout is the single spec that determines whether the platform fits a given memory plan.

ROG DIMM.2 card and Memory Fan included

The package adds a ROG DIMM.2 card that supplies two additional PCIe 4.0 M.2 slots, plus a dedicated ROG Memory Fan kit that mounts above the DIMMs to cool high-frequency modules. Together they expand storage options and enable sustained memory overclocking without buying separate cooling hardware.

How it compares

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

Price $1,125.99
Pricier than about 91% 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
Product lineROG
Model nameROG CROSSHAIR X870E APEX +(R7 9800 × 3D)
Part numberROG CROSSHAIR X870E APEX +(R7 9800 × 3D)
Processor
ProcessorAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count2 × 288pin (DDR5)
Supported memory2 x DIMM slots, max. 128 GB, 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
Max supported RAM128 GB
ECC supportNon-ECC
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsSupports 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 and RAID support0/1/5/10
Audio & video
Sound 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
Connectivity
Second LAN controller1 x Realtek 5Gb Ethernet
ASUS LANGuard
Maximum network speed5 Gbit/s
Bluetooth supportYes
Ports & slots
PCIe 4.0 x16 slotsAMD 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
Rear panel ports2 x USB4® (40 Gbit/s) ports (2 x USB Type-C®)
6 x USB 10 Gbit/s ports (5 x Type-A + 1 x USB Type-C®)
2 x USB 5 Gbit/s 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
Size & build
Form factorATX
Width and length12 in × 9.6 in ( 30.5 cm × 24.4 cm )
Compatibility
Windows 11 supportSupported

Other versions of this model

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Questions about this item

What does the 18+2+2 power stage layout mean once the board is running with the 9800X3D?

The 18 Vcore stages rated at 110 A each, plus two additional 110 A stages and two 80 A stages, feed the CPU through ProCool II connectors, giving the 9800X3D a very high current ceiling for sustained boost and overclocking headroom.

What does the PCIe 5.0 x16 interface actually cap at with this CPU installed?

With the Ryzen 7 9800X3D the two top slots run at PCIe 5.0 x16 and can operate in x16, x8/x8 or x8/x4/x4 modes, so a single GPU gets the full 5.0 x16 bandwidth while two GPUs share it at x8 each.

What physical clearance does the ROG DIMM.2 card need inside the case?

The DIMM.2 card plugs vertically into a dedicated DIMM-slot connector on the motherboard, so it sits above the board like a memory module and only requires normal CPU-cooler clearance around the socket area.

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