ASUS ROG Crosshair X870E APEX + Ryzen 9 9900X AMD motherboard
- Socket AM5 for AMD…
- AM5
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AM5 motherboard bundled with a 16-core Ryzen 9 9950X3D, 18 power stages, DDR5 to 8200 MT/s, three PCIe 5.0 M.2 slots, Wi-Fi 7 and 5 Gb Ethernet
Model ROG CROSSHAIR X870E HERO
CPU +Ryzen 9 950X3D
This motherboard and CPU combo targets enthusiasts building advanced AI workstations or high-end gaming rigs. The AM5 platform supports Ryzen 7000, 8000 and 9000 series processors with robust 18+2+2 power stages rated at 110A each. Integrated Wi-Fi 7 and dual 5Gbps and 2.5Gbps Ethernet ports provide high-throughput networking.
Four DDR5 slots accept up to 256GB of memory running at 8200+ MT/s with Ryzen 9000 chips. Three onboard PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots deliver substantial bandwidth for OS and data drives. The 170W CPU and 128MB L3 cache handle heavy multithreaded workloads before thermal limits become the bottleneck.
Builders moving from a 7000-series CPU gain the 9950X3D's larger cache and Zen 5 architecture for AI and gaming gains. Owners of 600-series boards add PCIe 5.0 graphics and storage support, USB4 40Gbps ports and Wi-Fi 7. The jump is worthwhile when workloads demand maximum single-thread speed and large cache capacity.
Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.
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| Product | |
|---|---|
| Brand name | ASUS |
| Model name | ROG CROSSHAIR X870E HERO +(R9 9950 × 3D) |
| Part number | ROG CROSSHAIR X870E HERO +(R9 9950 × 3D) |
| Processor | |
| CPU socket | AM5 |
| Chipset | AMD X870E |
| Memory | |
| Memory slot count | 4 × 288pin (DDR5) |
| Max supported RAM | 256 GB |
| Memory channels | Dual Channel |
| ECC support | Yes |
| Buffering | Un-buffered |
| Storage | |
| SATA ports | 4 x SATA 6Gb/s |
| M.2 slots | 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 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 & video | |
| Audio chip | 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 - 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 |
| Sound channels | 7.1 Channels |
| Connectivity | |
| Maximum network speed | 5 Gbit/s + 2.5 Gbit/s |
| Wi-Fi standard | Wi-Fi 802.11 be |
| Bluetooth support | 5.4 |
| Ports & slots | |
| Onboard USB headers | 2 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 connectors | 1 × 24-pin Main Power connector 2 × 8-pin +12 V CPU Power connector 1 × 8-pin PCIe Power connector |
| Size & build | |
| Form factor | ATX |
| Width and length | 12.0 in × 9.6 in |
| Compatibility | |
| Windows 11 support | Supported |
| More details | |
| BIOS | 256Mb Flash ROM, UEFI AMI BIOS |
Other versions of this model
The board has four 288-pin DDR5 slots supporting up to 256 GB in dual-channel mode. With the Ryzen 9000 series CPU installed, memory can run up to 8200+ MT/s when overclocked, and both ECC and non-ECC unbuffered modules are supported.
Enter the UEFI BIOS and check the AI Overclocking guide, AI Cooling II and Dynamic OC Switcher sections; the hardware monitor will display the 18 (110 A) + 2 (110 A) + 2 power-stage configuration and real-time voltage readings for the 170 W CPU.
The motherboard ships with substantial heatsinks covering all three PCIe 5.0 M.2 slots (2242/2260/2280) and both PCIe 4.0 M.2 slots, so no additional M.2 coolers are required for the onboard storage.
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