ASUS ROG CROSSHAIR X870E HERO BTF AMD motherboard & Ryzen 9 9950X3D CPU combo
- AM5
- AMD X870E
ASUS
Pairs an AMD X870E motherboard with a 12-core Ryzen 9 9900X3D, offering DDR5 to 8600 MT/s, WiFi 7, 5Gb and 2.5Gb LAN, USB4, five M.2 slots and a 600 W graphics power connector
model ROG CROSSHAIR X870E HERO BTF
+CPU +Ryzen 9 9900X3D
This bundle pairs the ROG Crosshair X870E Hero BTF motherboard with the Ryzen 9 9900X3D processor. The CPU brings 12 cores, 120W TDP and a large 128MB L3 cache for heavy workloads. The board uses the AMD X870E chipset and AM5 socket to support current and future Ryzen 9000, 8000 and 7000 series chips. It targets enthusiasts who want high-end connectivity and overclocking headroom in one package.
The board uses a hidden-connector design that routes key cables behind the motherboard tray for cleaner cable management. An 18+2+2 phase VRM with 110A power stages, ProCool II connectors, MicroFine alloy chokes and premium metallic capacitors feeds the CPU. A graphics card high-power slot can deliver up to 600 watts to compatible ASUS BTF graphics cards through the motherboard. Dual 5Gbps and 2.5Gbps Ethernet plus WiFi 7 and Bluetooth 5.4 handle networking.
The primary PCIe 5.0 x16 slot runs at x16 or splits to x8/x4/x4 when M.2_2 is active, while M.2_3 drops to x4 in that scenario. Two M.2 slots support PCIe 5.0 x4 and a third runs at PCIe 4.0 x4, all accepting 2242, 2260 and 2280 form factors. Four DDR5 slots support up to 256GB at speeds up to 8600+ MT/s overclocked in dual-channel mode with ECC and unbuffered memory.
| Brand | ASUS |
|---|---|
| Model | ROG CROSSHAIR X870E HERO BTF+R9 9900X3D |
| CPU Socket Type | AM5 |
| Chipset | AMD X870E |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Up to 8600+MT/s(OC) |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| ECC Supported | Yes |
| Buffer Supported | Un-buffered |
| PCI Express 5.0 x16 | AMD 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) |
| PCI Express x4 | 1 x PCIe 4.0 x4 slot |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | 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 |
| SATA RAID | 0/1/5/10 |
| Audio Channels | 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 * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound a |
| Max LAN Speed | 5Gbps + 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 be |
| Bluetooth | Bluetooth 5.4 |
| Back I/O Ports | 2 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 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 |
| Other Connectors | Fan 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 Gen2 headers 1 x Alteration PCIe mode switch 1 x FlexKey button 1 x Front Panel Audio header (F_AUDIO) 1 x Start button 1 x 10-1 pin System Panel header 1 x Thermal Sensor header |
| Power Pin | 1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connector 1 x Graphics card high power slot 1 x 12V-2X6 Auxiliary power connector |
| BIOS Feature | 256Mb Flash ROM, UEFI AMI BIOS |
| Software | ROG Exclusive Software - ROG CPU-Z - Dolby Atmos - Internet Security (1-year full version) - Polymo Lighting II ASUS Exclusive Software Armoury Crate - AIDA64 Extreme (1 year full version) - Aura Creator - Aura Sync -Fan Xpert 4 (with AI Cooling II) - GameFirst - HWiNFO ASUS AI Advisor ASUS DriverHub ASUS GlideX TurboV Core ASUS GPU Tweak III WinRAR (40 Days Free Trial) Adobe Creative Cloud (Free Trial) UEFI BIOS AI Overclocking Guide AI Cache Boost ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey DIMM FIT Pro FlexKey |
| Features | Extreme OC Kit - FlexKey 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 - SafeSlot - SafeDIMM Aura S |
| Package Contents | 1 x AMD Ryzen 9 9900X3D CPU 1 x Shin-Etsu X-23-7868-2D (1.8g) Cables 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 |
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When M.2_2 is enabled the PCIe 5.0 x16 slot drops to x8 and M.2_3 runs at x4, so full x16 bandwidth is only available with M.2_2 unused.
The board is ATX with rear-mounted power and data connectors, so a standard ATX case with adequate rear cable-routing depth and room for a tall VRM heatsink is required.
Lift the retention lever, align the triangle on the Ryzen 9 9900X3D with the socket marker, place the chip gently without pressure, lower the frame, then lock the lever — skipping the alignment check is the common error.
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