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ATX motherboard with massive heatsinks, integrated I/O cover, ROG Memory Fan, DIMM.2 card and Ryzen 9 9950X3D CPU installed

ASUS

ASUS ROG CROSSHAIR X870E APEX AMD motherboard & Ryzen 9 9950X3D CPU combo

SKU CH-XBR5-HMTTY

Paired AMD AM5 motherboard and Ryzen 9 9950X3D processor with 18+2+2 power stages, DDR5 support up to 9600 MT/s, three PCIe 5.0 M.2 slots, Wi-Fi 7 and 5Gb Ethernet

  • CPU Socket TypeAM5
  • CPU TypeAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desk
  • ChipsetAMD X870E
  • Number of Memory Slots2x288pin (DDR5)
  • Memory Standard2 x DIMM slots, max. 128GB, DDR5 Supports up to 8200+MT/s(OC
  • Maximum Memory Supported128GB

model ROG CROSSHAIR X870E APEX

+CPU +Ryzen 9 950X3D

  • Ready for advanced AI workloads with the power and connectivity for demanding applications
  • 18 plus 2 plus 2 power stages rated at 110A and 80A deliver robust overclocking headroom
  • 5 M.2 slots including three PCIe 5.0 and two PCIe 4.0 on a DIMM.2 card with substantial cooling
  • ROG Memory Fan kit enables DDR5 overclocking up to 9600+ MT/s for maximum throughput
  • Ryzen 9 9950X3D brings 128MB L3 cache and Radeon graphics on a 170W 4nm Zen 5 die

AM5 combo for AI workloads

The bundle pairs an ROG Crosshair X870E Apex motherboard with a Ryzen 9 9950X3D processor on the AM5 socket. It targets builders who need 16 cores, 128 MB of L3 cache and integrated Radeon graphics for advanced AI computing. The board supplies 18 plus 2 plus 2 power stages rated at 110 A and 80 A with ProCool II connectors. Two DDR5 slots support up to 128 GB and speeds of 8200 MT/s with 9000 series or 9600 MT/s with 8000 series CPUs.

170 W CPU and massive heatsinks

The processor runs at a 170 W TDP and is cooled by massive heatsinks that integrate the I/O cover, high-conductivity thermal pads and a connecting heatpipe. AI Cooling II adjusts fan curves automatically to balance thermals and noise under load. The 5 Gb Realtek Ethernet and Wi-Fi 7 with 320 MHz channels provide high-throughput, low-latency networking for sustained workloads.

ROG DIMM.2 card and Memory Fan kit

A bundled ROG DIMM.2 card adds two PCIe 4.0 M.2 slots with substantial cooling, supplementing three onboard PCIe 5.0 M.2 slots. The ROG Memory Fan kit directs airflow over the two DIMM slots to enable memory overclocking up to 9600 MT/s. AI Overclocking, Dynamic OC Switcher, Core Flex and PBO Enhancement automate CPU tuning, while AI Networking II and AI Advisor simplify system configuration.

Highlights

  • Ready for advanced AI workloads with the power and connectivity for demanding applications
  • 18 plus 2 plus 2 power stages rated at 110A and 80A deliver robust overclocking headroom
  • 5 M.2 slots including three PCIe 5.0 and two PCIe 4.0 on a DIMM.2 card with substantial cooling
  • ROG Memory Fan kit enables DDR5 overclocking up to 9600+ MT/s for maximum throughput
  • Ryzen 9 9950X3D brings 128MB L3 cache and Radeon graphics on a 170W 4nm Zen 5 die

Specifications

BrandASUS
SeriesROG
ModelROG CROSSHAIR X870E APEX +(R9 9950X3D)
Part NumberROG CROSSHAIR X870E APEX +(R9 9950X3D)
CPU Socket TypeAM5
CPU TypeAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
ChipsetAMD X870E
Number of Memory Slots2x288pin (DDR5)
Memory Standard2 x DIMM slots, max. 128GB, DDR5
Supports up to
8200+MT/s(OC) with Ryzen™ 9000 Series Processors,
9600+MT/s(OC) with Ryzen™ 8000 Series Processors
8000+MT/s(OC) with Ryzen™ 7000 Series Processors,
ECC and Non-ECC, Un-buffered DIMM*
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
ASUS Enhanced Memory Profile (AEMP)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information sit
Maximum Memory Supported128GB
ECC SupportedNon-ECC
PCI Express 5.0 x16AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
2 x PCIe 5.0 x16 slots with Q-Release Slim (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.
**** When M.2_2 and M.2_3 are enabled simultaneously, PCIEX16_2 will be disabled.
PCI Express 4.0 x16AMD Ryzen™ 8700 & 8600 & 8400 Series Desktop Processors*
2 x PCIe 4.0 x16 slots with Q-Release Slim (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 with Q-Release Slim (only supports PCIEx16_1 & total bandwidth for x4, PCIEx16_2 will be disabled)
AMD X870E Chipset
1 x PCIe 4.0 x4 slot
1 x PCIe 3.0 x1 slot
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
- To ensure compatibility of the device installed, please refer to https
Serial ATA (SATA)4 x SATA 6Gb/s
M.2Supports 5 x M.2 slots and 4 x SATA 6Gb/s ports*
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
DIMM.2_1 slot (Key M), type 2230/2242/2260/2280
SATA RAID0/1/5/10
Audio ChannelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- 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
- Savitech SV3H712 AMP
- Gold-plated audio jacks
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* A chassis with an HD audio module in the front panel is required to support 7.1 Su
Second LAN Chipset1 x Realtek 5Gb Ethernet
ASUS LANGuard
Max LAN Speed5Gbps
Wireless LANWi-Fi 7*
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency band**
Supports Wi-Fi 7 320MHz bandwidth, up to 6.5Gbps transfer rate.
Bluetooth® v5.4***
*Wi-Fi features may vary depending on the operating system
For Windows 11, Wi-Fi 7 will require 24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only support Wi-Fi 6E.
For Windows 10, please note that no driver is available, refer to the Wi-Fi chipset vendor's website for details.
** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.
*** The Bluetooth® version may vary, please refer to th
BluetoothYes
Back I/O Ports2 x USB4® (40Gbps) ports (2 x USB Type-C®)
6 x USB 10Gbps ports (5 x Type-A + 1 x USB Type-C®)
2 x USB 5Gbps ports (2 x Type-A)
1 x Wi-Fi module
1 x Realtek 5Gb Ethernet port
1 x PS/2 keyboard/mouse combo port
2 x Gold-plated audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button
1 x Clear CMOS button
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
2 x 4-pin Chassis Fan headers
2 x 4-pin Full Speed Fan headers
1 x W_PUMP+ header
1 x Extra Flow Fan header
Power Related
1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connectors
1 x 8-pin PCIe Power connector
Storage Related
3 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
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
Miscellaneous
1 x 80 Light Bar jumper
3
Form FactorATX
Dimensions (W x L)12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Windows 11Supported

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Questions about this item

How do I install the ROG DIMM.2 card and what step is often missed?

Seat the card in the dedicated DIMM.2 slot, secure the retaining screw, then attach the two PCIe 4.0 M.2 drives with their own screws — the screw on the card itself is the step most builders forget.

What maintenance will the ROG Memory Fan kit need over time?

Clean the fan blades and heatsink fins with compressed air every few months; the fan is a standard 4-pin PWM unit that can be replaced if it becomes noisy or fails.

What thermal limit appears first on the 170W Ryzen 9 9950X3D during sustained all-core loads?

The CPU will hit its 170W package power limit before the 18+2+2 110A power stages saturate, so the 170W TDP is the first ceiling you reach.

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