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Compact Mini-ITX motherboard with dark metallic heatsinks and integrated I/O shield, paired with a Ryzen 7 9700X CPU

ASUS

ASUS ROG STRIX X870-I GAMING WIFI & Ryzen 7 9700X AMD motherboard combo

SKU CH-77NS-JJ6EM

Compact Mini-ITX motherboard paired with an 8-core Ryzen 7 9700X, DDR5 memory support to 96 GB, WiFi 7, 2.5 Gbps LAN and PCIe 5.0 M.2 slot

  • 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

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CPU + Ryzen 7 9700X

  • Ready for AI workloads with power and connectivity built for demanding applications
  • 10+2+1 power stages rated 110A each with ProCool II connectors for multi-core stability
  • 8 cores and 16 threads on Zen 5 architecture reaching 5.5 GHz max boost
  • WiFi 7 2x2 with 320 MHz bandwidth delivering up to 6.5 Gbps transfer rate
  • One PCIe 5.0 M.2 slot and one PCIe 4.0 M.2 slot both with substantial cooling

Compact AM5 platform for high-refresh gaming

This motherboard and CPU bundle pairs the ROG STRIX X870-I GAMING WIFI with an 8-core Ryzen 7 9700X processor. The board uses the AMD X870 chipset on a Mini-ITX PCB, supporting Ryzen 7000, 8000 and 9000 series CPUs. Four DDR5 slots accept up to 96 GB of memory, making the kit suited to compact builds that still demand multi-threaded throughput.

AI tuning and overclocking tools simplify setup

ASUS AI Overclocking, AI Cooling II, AI Networking and AEMP profiles automate voltage, fan curves and memory timings. ROG-exclusive Dynamic OC Switcher, Core Flex, Asynchronous Clock and PBO Enhancement give manual control over per-core behaviour. The 10+2+1 power stage design rated at 110 A per stage feeds the CPU through ProCool II connectors, alloy chokes and durable capacitors.

Dense I/O and dual M.2 cooling aid daily assembly

A massive heatsink with integrated I/O cover and high-conductivity pads sits atop an L-shaped backplate. One PCIe 5.0 M.2 slot and one PCIe 4.0 M.2 slot both include substantial cooling. Rear panel provides 2.5 Gbps LAN, Wi-Fi 7 on 2.4, 5 and 6 GHz bands with 320 MHz bandwidth, USB4 and a USB 10 Gbps Type-C connector. Two SATA 6 Gbps ports and a PCIe 5.0 x16 slot complete the layout.

How it compares

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

Price $880.99
Pricier than about 82% 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

Other versions of this model

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Questions about this item

Will the 10+2+1 power stage rated for 110A per stage need extra cooling under sustained load?

The massive heatsinks with integrated I/O cover, high-conductivity thermal pads and L-shaped backplate are designed to handle the 110A per stage power delivery for multi-core processors.

What limits the PCIe 5.0 M.2 slot to PCIe 4.0 speeds when a Ryzen 8000 series CPU is installed?

The M.2_1 slot runs at PCIe 5.0 x4 with Ryzen 9000 and 7000 series processors, but drops to PCIe 4.0 x4 with Ryzen 8000 series processors.

How loud do the chassis and AIO pump headers run when the system operates all day?

AI Cooling II automatically adjusts fan speeds on the 4-pin CPU fan, AIO pump and chassis fan headers based on real-time temperatures to balance airflow and noise.

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