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ATX motherboard with hidden rear connectors, black and silver heatsinks, bundled Ryzen 7 9700X CPU in clear plastic clamshell

ASUS

ASUS ROG CROSSHAIR X870E HERO BTF AMD motherboard & Ryzen 7 9700X CPU combo

SKU CH-CJ5V-RK3E4

AM5 motherboard and Ryzen 7 9700X CPU bundle with 18+2+2 power stages, DDR5 up to 8600 MT/s, WiFi 7, Bluetooth 5.4, five M.2 slots, PCIe 5.0, USB4 and 5 Gbps plus 2.5 Gbps LAN

  • CPU Socket TypeAM5
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to 8600+MT/s(OC)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel

model ROG CROSSHAIR X870E HERO BTF

+CPU +Ryzen 7 9700X

  • 8-core 16-thread Ryzen 9700X reaches 5.5 GHz boost for high frame rates
  • 18+2+2 power stages rated at 110 A each deliver stable overclocking headroom
  • DDR5 memory scales to 8600 MT/s across four slots with 256 GB maximum capacity
  • Hidden-connector BTF design routes cables behind the board for cleaner builds
  • WiFi 7 and Bluetooth 5.4 plus dual 5 Gb and 2.5 Gb Ethernet give fast wireless and wired links

Combo overview

This bundle pairs the ROG Crosshair X870E Hero BTF motherboard with a Ryzen 7 9700X processor. The board uses the AM5 socket and X870E chipset to support Ryzen 9000, 8000 and 7000 series CPUs. It targets enthusiasts who want a clean build with high-speed connectivity and AI-ready throughput.

Sustained load behaviour

An 18+2+2 phase design rated at 110 A per stage feeds the CPU through ProCool II connectors, alloy chokes and metallic capacitors. AI Overclocking, Core Flex and PBO Enhancement adapt voltage and frequency in real time while AI Cooling II manages thermals under prolonged workloads.

Interface limits

Four DDR5 slots accept up to 256 GB at 8600 MT/s in dual-channel mode with ECC support. Five M.2 sockets include two PCIe 5.0 x4 lanes; enabling M.2_2 drops the primary PCIe 5.0 x16 slot to x8. Rear I/O provides two USB4 40 Gbps ports, eight 10 Gbps USB ports, 5 Gbps and 2.5 Gbps Ethernet, WiFi 7 and Bluetooth 5.4.

Highlights

  • 8-core 16-thread Ryzen 9700X reaches 5.5 GHz boost for high frame rates
  • 18+2+2 power stages rated at 110 A each deliver stable overclocking headroom
  • DDR5 memory scales to 8600 MT/s across four slots with 256 GB maximum capacity
  • Hidden-connector BTF design routes cables behind the board for cleaner builds
  • WiFi 7 and Bluetooth 5.4 plus dual 5 Gb and 2.5 Gb Ethernet give fast wireless and wired links

Specifications

BrandASUS
ModelROG CROSSHAIR X870E HERO BTF+(R7 9700X)
CPU Socket TypeAM5
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to 8600+MT/s(OC)
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 5.0 x16AMD 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 x41 x PCIe 4.0 x4 slot
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
SATA RAID0/1/5/10
Audio 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
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 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 Pin1 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 Feature256Mb Flash ROM, UEFI AMI BIOS
SoftwareROG 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
FeaturesExtreme 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 Contents1 x AMD Ryzen 7 9700X 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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Questions about this item

How hot or noisy does the 18+2+2 power-stage VRM get when the Ryzen 7 9700X runs at 5.5 GHz all day?

The board uses 18 plus 2 plus 2 power stages rated at 110 A each with ProCool II connectors, MicroFine alloy chokes and premium metallic capacitors. AI Cooling II adjusts fan curves automatically to keep temperatures and noise low under sustained load.

Which DDR5 memory kit do I need to reach the 8600 MT/s overclocked speed on the four 288-pin slots?

The motherboard supports up to 256 GB of unbuffered DDR5 across four slots in dual-channel mode. AEMP profiles simplify setup, but hitting 8600 MT/s requires a kit validated for that frequency on the AM5 platform.

Will my existing PCIe 4.0 graphics card and SATA SSDs work without bandwidth loss on the PCIe 5.0 x16 and four SATA 6 Gb/s ports?

The PCIe 5.0 x16 slot with Q-Release Slim runs at x16 with a PCIe 4.0 card. Four SATA 6 Gb/s ports provide full 6 Gb/s each and support RAID 0, 1, 5 and 10 for legacy drives.

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