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ASUS ROG STRIX X870-I motherboard with Ryzen 7 9700X CPU in Mini-ITX form factor

ASUS

ASUS AMD motherboard & Ryzen 7 9700X combo

SKU CH-6D2A-FMB8C

Mini-ITX AMD X870 board paired with an 8-core Ryzen 7 9700X, DDR5 to 8400 MT/s, PCIe 5.0 M.2, Wi-Fi 7 and 2.5 Gb 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 +R7 9700X

  • Ready for AI workloads with power and connectivity for demanding applications
  • 10+2+1 power stages rated 110A each with ProCool II connectors for multi-core stability
  • Massive heatsinks, integrated I/O cover and high-conductivity pads with L-shaped backplate keep temperatures low
  • One PCIe 5.0 M.2 slot and one PCIe 4.0 M.2 slot both with substantial cooling solutions
  • Ryzen 7 9700X delivers 8 cores, 16 threads, Zen 5 architecture and 5.5 GHz max boost clock

Combo for compact AI‑ready builds

This bundle pairs the ROG STRIX X870‑I GAMING WIFI motherboard with the AMD Ryzen 7 9700X processor. The board uses the AMD X870 chipset on a Mini‑ITX layout and supports Ryzen 7000, 8000 and 9000 series CPUs. The included 8‑core, 16‑thread chip runs on the Zen 5 architecture with a max boost clock of 5.5 GHz. It targets builders who want high performance in a small chassis and need connectivity for AI workloads.

Mini‑ITX layout with DDR5 and dual M.2

Four 288‑pin DDR5 slots accept up to 96 GB of memory and can reach 8400+ MT/s when overclocked with Ryzen 9000 series processors. One PCIe 5.0 x16 slot handles modern graphics cards, while two M.2 sockets provide fast storage: the primary slot runs at PCIe 5.0 x4 with Ryzen 9000 and 7000 CPUs, the second at PCIe 4.0 x4. Two SATA 6 Gb/s ports remain available for additional drives. The 10+2+1 power stage design rated at 110 A per stage feeds the CPU through an 8‑pin and 24‑pin connector.

AI tuning utilities and high‑speed I/O

ASUS AI Overclocking, AI Cooling II, AI Networking and AEMP firmware automate frequency, fan curves and memory timing adjustments. ROG overclocking tools include Dynamic OC Switcher, Core Flex, Asynchronous Clock and PBO Enhancement for manual control. Connectivity covers 2.5 Gbps LAN, Wi‑Fi 7 (802.11be) 2×2 with 320 MHz channels on 2.4/5/6 GHz bands, USB4 and a front‑panel USB 10 Gbps Type‑C header. Massive heatsinks with an integrated I/O cover, high‑conductivity thermal pads and an L‑shaped backplate cool the VRM and M.2 slots.

How it compares

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

Price $777.99
Pricier than about 77% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameROG STRIX X870-I GAMING WIFI+R7 9700X
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

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Questions about this item

How far can the 10+2+1 power stage rated at 110A push the Ryzen 7 9700X before thermal throttling under sustained all-core load?

The 10+2+1 power solution delivers up to 110A per stage with ProCool II connectors and alloy chokes, while massive heatsinks with an integrated I/O cover and L-shaped backplate draw heat away from the VRM to sustain high boost clocks.

What noise and heat levels should I expect from the VRM and chipset heatsinks when the system runs 24/7 at stock settings?

AI Cooling II adjusts fan curves based on real-time VRM and CPU temperatures, so the massive heatsinks and high-conductivity pads keep thermals low while fans spin only as fast as needed for quiet operation.

Which DDR5 memory kit do I need to populate the two 288-pin slots and reach the advertised 6000 MT/s CL38 speed out of the box?

The combo includes a 16 GB DDR5-6000 CL38 kit validated for AEMP profiles, so installing those two modules in the two DIMM slots enables the rated frequency and timings without manual tuning.

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