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Compact Mini-ITX board with large black heatsinks and integrated rear I/O cover

ASUS

ASUS ROG STRIX X870-I GAMING WIFI Motherboard & AMD Ryzen 9 9950X CPU Combo

SKU CH-RB2Y-5QW89

Mini-ITX AMD X870 motherboard bundled with a 16-core Ryzen 9 9950X CPU, DDR5 to 8400 MT/s, PCIe 5.0 M.2, WiFi 7 and 2.5 Gbps LAN

  • ChipsetAMD X870
  • Form factorMini ITX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 4400
  • Max supported RAM96 GB
  • ECC supportNon-ECC

Model ROG STRIX X870-I GAMING WIFI

CPU +R9 9950X

  • Supports Ryzen 7000, 8000 and 9000 series processors with AM5 socket
  • 10+2+1 power stages rated 110A deliver stable current for 16-core CPUs
  • DDR5 memory overclocks to 8400 MT/s on Ryzen 9000 series
  • WiFi 7 2x2 with 320 MHz bandwidth reaches 6.5 Gbps throughput
  • One PCIe 5.0 M.2 slot and one PCIe 4.0 M.2 slot with heatsinks

Ready for AI Computing

The ASUS ROG STRIX X870-I GAMING WIFI motherboard paired with the AMD Ryzen 9 9950X processor targets builders who need a compact platform for advanced AI workloads. The AM5 socket supports Ryzen 7000, 8000 and 9000 series CPUs. Four DDR5 slots accept up to 96GB of memory. Integrated WiFi 7 and USB4 connectivity handle high-throughput data movement.

Upgrade Path for AM5 Builders

This combo replaces an older AM5 board and CPU when the workload demands 16 cores and 32 threads with a 5.7 GHz max boost. The jump is worth it if you require the 10+2+1 power stage design rated for 110A per stage to sustain heavy multi-core loads. The Dynamic OC Switcher and Core Flex features add granular overclocking control not found on entry-level X870 boards.

Sustained Load Behaviour

Massive heatsinks with an integrated I/O cover, high-conductivity thermal pads and an L-shaped backplate dissipate heat from the VRM and the single PCIe 5.0 M.2 slot during extended runs. AI Cooling II manages fan curves based on system-wide thermal sensors. The robust power solution maintains stable voltage delivery across all 16 cores without throttling under continuous AI or compute tasks.

How it compares

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

Price $1,108.99
Pricier than about 90% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Model nameROG STRIX X870-I GAMING WIFI+R9 9950X
Processor
ChipsetAMD X870
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 4400
Max supported RAM96 GB
ECC supportNon-ECC
BufferingUn-buffered
Storage
SATA ports2 x SATA 6Gb/s
M.2 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors*
M.2_1 slot (Key M), type 2280(supports PCIe 5.0 x4 mode)
AMD Ryzen 8000 Series Desktop Processors*
M.2_1 slot (Key M), type 2280(supports PCIe 4.0 x4 mode)
AMD X870 Chipset
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4)
*** Install ROG FPS Card to support 2 x SATA 6Gb/s ports.
SATA and RAID support* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1
Connectivity
Maximum network speed2.5 Gbit/s
Bluetooth supportv5.4***
*** The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot
PCIe 4.0 x16 slotsAMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
USB 3.0 portsUSB4
Onboard USB headersUSB
1 x USB 10 Gbit/s connector (supports USB Type-C® )
1 x USB 5 Gbit/s header support(s) 2
additional USB 5 Gbit/s ports
Size & build
Form factorMini ITX
Width and length6.7 in × 6.7 in
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

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Questions about this item

What clearance does the 10+2+1 power solution with massive heatsinks and L-shaped backplate need for a Mini-ITX case?

The board is a standard Mini-ITX form factor; the integrated I/O cover and large VRM heatsinks sit within the usual keep-out zone, so any case that fits Mini-ITX and allows room for a 24-pin and 8-pin CPU power connector will work.

Which step is often missed when installing the Wi-Fi 7 antenna on this board?

The two screw-on antenna posts are on the rear I/O; the antenna base must be screwed on fully before positioning it upright, otherwise the 2x2 Wi-Fi 7 module cannot reach its rated 6.5Gbps throughput.

When should the thermal pads under the M.2 heatsinks be inspected or replaced?

Check the pads whenever you remove an M.2 drive — if a pad is torn, compressed flat, or no longer tacky, replace it with a pad of the same thickness to keep the PCIe 5.0 and PCIe 4.0 slots within thermal limits.

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