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ATX motherboard with dark heatsinks and installed CPU cooler

ASUS

ASUS ROG CROSSHAIR X870E HERO + R9 9900X AMD Motherboard Combo

SKU CH-AV65-A002D

A combo pairing an AM5 motherboard with a 12-core, 24-thread Ryzen 9 9900X CPU, offering DDR5 support to 8600 MT/s, three PCIe 5.0 M.2 slots, Wi-Fi 7, Bluetooth 5.4.

  • CPU Socket TypeAM5
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • ECC SupportedYes

model ROG CROSSHAIR X870E HERO

+CPU +Ryzen 9 9900X

  • Ready for advanced AI workloads with robust power and connectivity
  • 12-core Ryzen 9 9900X processor reaches 5.6 GHz max boost for heavy tasks
  • 18+2+2 power stages rated at 110 A deliver stable overclocking headroom
  • DDR5 memory scales to 8200 MT/s on four slots up to 256 GB total
  • Wi-Fi 7 plus 5 Gbps and 2.5 Gbps Ethernet ensure fast wired and wireless links

AMD AM5 Platform Ready

This bundle pairs the ROG CROSSHAIR X870E HERO motherboard with the Ryzen 9 9900X processor. The board uses the X870E chipset and AM5 socket to support Ryzen 9000, 8000 and 7000 series CPUs. It delivers an 18+2+2 power stage design rated at 110A per stage with ProCool II connectors for stable delivery.

Enthusiasts Seeking AI Compute Headroom

Builders who want 12 cores and 24 threads at 5.6 GHz max boost with 64 MB L3 cache for local AI workloads will benefit. The platform supports up to 256 GB of DDR5 across four slots at speeds up to 8200+ MT/s with Ryzen 9000 series. Users needing only mainstream core counts or lower memory capacity should consider simpler configurations.

Five M.2 Slots With Dedicated Cooling

Three PCIe 5.0 and two PCIe 4.0 M.2 slots accept 2242, 2260 and 2280 drives, each fitted with substantial heatsinks. Networking includes Wi-Fi 7 with Q-Antenna, Bluetooth 5.4, Intel 2.5 Gb and Realtek 5 Gb Ethernet. Rear I/O provides two USB4 40 Gbps Type-C ports, eight USB 10 Gbps ports and HDMI. SupremeFX 7.1 audio uses the ALC4082 codec with impedance sensing.

Highlights

  • Ready for advanced AI workloads with robust power and connectivity
  • 12-core Ryzen 9 9900X processor reaches 5.6 GHz max boost for heavy tasks
  • 18+2+2 power stages rated at 110 A deliver stable overclocking headroom
  • DDR5 memory scales to 8200 MT/s on four slots up to 256 GB total
  • Wi-Fi 7 plus 5 Gbps and 2.5 Gbps Ethernet ensure fast wired and wireless links

Specifications

BrandASUS
ModelROG CROSSHAIR X870E HERO +(R9 9900X)
Part NumberROG CROSSHAIR X870E HERO +(R9 9900X)
CPU Socket TypeAM5
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
Memory FeatureSupports up to
8200+MT/s(OC) with Ryzen 9000 Series Processors,
8600+MT/s(OC) with Ryzen 8000 Series Processors,
8000+MT/s(OC) with Ryzen 7000 Series Processors,
ECC and Non-ECC, Un-buffered Memory*
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO)
NitroX Slot
ASUS Enhanced Memory Profile (AEMP)
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors*
2 x PCIe 5.0 x16 slots (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.
AMD Ryzen 8700/8600 Series Desktop Processors*
2 x PCIe 4.0 x16 slots (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 (only supports PCIEx16_1 & total bandwidth for x4, PCIEx16_2 will be disabled)
- To ensure c
Serial ATA (SATA)4 x SATA 6Gb/s
M.2AMD 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
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_5 slot (Key M), type 2280 (su
Audio ChipsetROG 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
- Gold-plated audio jacks
- Rear optical S/PDIF out port
- Premium audio capacitors
* The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial a
Audio Channels7.1 Channels
Max LAN Speed5Gbps + 2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x USB4 (40Gbps) ports (2 x USB Type-C)
8 x USB 10Gbps ports (6 x Type-A + 2 x USB Type-C)
1 x HDMI port
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet port
1 x Realtek 5Gb Ethernet port
2 x Gold-plated audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
Onboard USB2 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
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
4 x 4-pin Chassis Fan headers
1 x W_PUMP+ header
Miscellaneous
3 x Addressable Gen 2 headers
1 x Alteration PCIe mode switch
1 x FlexKey button
1 x Front Panel Audio header (F_AUDIO)
1 x ReTry button
1 x Start button
1 x 10-1 pin System Panel header
1 x Thermal Sensor header
1 x LN2 Mode jumper
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
1 x 8-pin PCIe Power connector
BIOS Feature256Mb Flash ROM, UEFI AMI BIOS
Windows 11Supported
FeaturesExtreme OC Kit
- FlexKey button
- LN2 Mode
- ReTry button
- Start button
Extreme Engine Digi+
- 10K Black metallic capacitors
- MicroFine alloy choke
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Code
- Q-Connector
- Q-Dashboard
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
- VRM heatsink design
- Metal backplate
ASUS EZ DIY
- Backplate
- BIOS FlashBack button
- Clear CMOS button
- ProCool II
- Pre-mounted I/O shield
-
Package ContentsCables
1 x ARGB RGB extension cable
4 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Q-connector
2 x M.2 Q-Latch package
3 x M.2 Q-Slide package
5 x M.2 rubber package
1 x ROG stickers
1 x ROG thank you card
1 x ROG Bottle Opener
Installation Media
1 x USB drive with utilities and drivers
Documentation
1 x Quick start guide

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the Ryzen 9 9900X fit in my existing AM5 cooler?

The CPU uses the AM5 socket, so any cooler rated for AM5 will mount correctly.

Does the board come with the 12 V 2x8 pin and 24 pin power cables?

Those cables are supplied with your power supply, not the motherboard.

How many PCIe 5.0 M.2 drives can I install without reducing the graphics slot to x8?

Two PCIe 5.0 M.2 slots are wired to the CPU; using both keeps the primary x16 slot at full speed.

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