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ASUS ROG Crosshair X870E Hero BTF ATX motherboard with Ryzen 7 9800X3D CPU installed, dark finish with hidden connectors

ASUS

ASUS ROG CROSSHAIR X870E HERO BTF AMD Motherboard & Ryzen 7 9800X3D CPU Combo

SKU CH-FE90-38P2N

Combines an X870E ATX motherboard with a Ryzen 7 9800X3D CPU, delivering DDR5 support up to 8600 MT/s, WiFi 7, Bluetooth 5.4, five M.2 slots, PCIe 5.0 graphics, dual 5 Gbps and 2.5 Gbps LAN, USB4.

  • CPU socketAM5
  • ChipsetAMD X870E
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryUp to 8600+MT/s(OC)
  • Max supported RAM256 GB
  • Memory channelsDual Channel

Model ROG CROSSHAIR X870E HERO BTF

CPU +Ryzen 7 9800X3D

  • Ready for advanced AI workloads with high-speed connectivity
  • Hidden-connector layout simplifies cable routing for cleaner builds
  • 18+2+2 power stages at 110A deliver stable overclocking headroom
  • ASUS-exclusive AI tools automate tuning for performance and cooling
  • Graphics-card high-power slot supplies up to 600 watts through the motherboard

Combo for AMD AM5 builds

This motherboard and processor bundle pairs the ROG CROSSHAIR X870E HERO BTF board with the Ryzen 7 9800X3D CPU. It targets enthusiasts building a high-end desktop on the AM5 platform. The board supplies an 18+2+2 power stage design rated at 110A per stage and includes a hidden-connector layout for cleaner cable routing.

PCIe 5.0 and USB4 bandwidth limits

The primary x16 slot runs at PCIe 5.0 x16 but drops to x8 when the second M.2 slot is populated, while the third M.2 slot then operates at x4. Two USB4 ports deliver 40Gbps each, and the board provides five M.2 sockets with two wired for PCIe 5.0 x4 from the CPU. Dual 5Gbps and 2.5Gbps Ethernet plus WiFi 7 and Bluetooth 5.4 handle networking.

600W graphics slot capability

A dedicated high-power slot can supply up to 600 watts directly to compatible ASUS BTF graphics cards through the motherboard gold finger. This single specification determines whether the board can support a flagship GPU without separate power cables. The CPU includes second-generation 3D V-Cache technology and earned a CES 2025 Innovation Award Honoree designation.

How it compares

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

Price $1,203.99
Pricier than about 91% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameROG CROSSHAIR X870E HERO BTF+R7 9800 × 3D
Processor
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryUp to 8600+MT/s(OC)
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 (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
SATA and RAID support0/1/5/10
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
- Gold-plated audio jacks
- Rear optical S/PDIF out port
- Premium audio capacitors
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound a
Connectivity
Maximum network speed5 Gbit/s + 2.5 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*
1 x PCIe 5.0 x16 slots with Q-Release Slim (supports x16 or x8/x4/x4 modes**)
**When M.2_2 are enabled, PCIEX16_1 will run x8, and M.2_3 will run x4.
AMD Ryzen 8700 & 8600 & 8400 Series Desktop Processors*
1 x PCIe 4.0 x16 slots with Q-Release Slim (Total bandwidth for x8)
AMD Ryzen 8500 & 8300 Series Desktop Processors*
1 x PCIe 4.0 x16 slot with Q-Release Slim (Total bandwidth for x4)
PCIe x4 slots1 x PCIe 4.0 x4 slot
Onboard USB headers2 x USB 20 Gbit/s connectors (support USB Type-C)
2 x USB 5 Gbit/s headers support 4 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
1 x Graphics card high power slot
1 × 12 V-2 × 6 Auxiliary power connector
More details
BIOS256Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

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Questions about this item

Is the 8-core Ryzen 7 9800X3D in this combo the right choice for gaming, or should I consider a different CPU?

The Ryzen 7 9800X3D uses second-generation 3D V-Cache technology and was a CES 2025 Innovation Award honoree, making it purpose-built for high-frame-rate gaming.

What does the 8600 MT/s memory rating mean once the board is built and running?

That figure is an overclocked ceiling; actual speed depends on the DDR5 kit, CPU memory controller and BIOS tuning, with AEMP profiles helping automatic configuration.

How do the USB4 40 Gbps ports and WiFi 7 work together for external storage and networking?

Two USB4 Type-C ports deliver 40 Gbps bandwidth for fast external drives, while WiFi 7 and Bluetooth 5.4 provide high-throughput wireless connectivity.

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