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Compact Mini-ITX motherboard with dark heatsinks, integrated I/O shield and installed Ryzen 9 CPU

ASUS

ASUS ROG STRIX X870-I GAMING WIFI + Ryzen 9 9900X3D AMD motherboard CPU combo

SKU CH-TF4C-M7WJC

Mini-ITX AM5 motherboard paired with a 12-core Ryzen 9 9900X3D, 128 MB L3 cache, DDR5 to 8400 MT/s, PCIe 5.0 M.2, Wi-Fi 7 and 2.5 Gbps LAN

  • ChipsetAMD X870
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4400
  • Maximum Memory Supported96GB
  • ECC SupportedNon-ECC
  • Buffer SupportedUn-buffered

model ROG STRIX X870-I GAMING WIFI

+CPU + Ryzen 9 9900X3D

  • Ready for advanced AI workloads with powerful connectivity
  • 10+2+1 power stages rated 110A each for stable multi-core performance
  • Dynamic OC Switcher and Core Flex simplify overclocking control
  • DDR5 memory overclocked to 8400 MT/s with Ryzen 9000 series
  • Wi-Fi 7 supports 320 MHz bandwidth up to 6.5 Gbps

Mini ITX AI-Ready Platform

The ROG STRIX X870-I GAMING WIFI motherboard paired with the Ryzen 9 9900X3D processor delivers a compact AM5 platform built for advanced AI workloads and high-performance gaming. The combination targets enthusiasts who need maximum compute density in a small-form-factor build.

128MB 3D V-Cache Decides Fit

The CPU features 128MB of L3 cache using 3D V-Cache technology, a spec that directly determines suitability for latency-sensitive tasks such as competitive gaming and large-language-model inference. Buyers should match this cache size to workload demands before purchasing.

110A Power Stages Sustain Load

A 10+2+1 power solution rated at 110A per stage with ProCool II connectors maintains stable delivery to the 120W processor during extended all-core workloads. Massive heatsinks, an integrated I/O cover and an L-shaped backplate dissipate heat without thermal throttling.

Points forts

  • Ready for advanced AI workloads with powerful connectivity
  • 10+2+1 power stages rated 110A each for stable multi-core performance
  • Dynamic OC Switcher and Core Flex simplify overclocking control
  • DDR5 memory overclocked to 8400 MT/s with Ryzen 9000 series
  • Wi-Fi 7 supports 320 MHz bandwidth up to 6.5 Gbps

Caractéristiques

BrandASUS
ModelROG STRIX X870-I GAMING WIFI+R9 9900X3D
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4400
Maximum Memory Supported96GB
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
Memory Feature2 x DIMM slots, max. 96GB, DDR5
Supports up to
8400+MT/s(OC) with Ryzen™ 9000 Series Processors,
8600+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 site
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot
PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
Serial ATA (SATA)2 x SATA 6Gb/s
M.2AMD 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 RAID* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 7*
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency band**
Support Wi-Fi 7 320MHz bandwidth, up to 6.5Gbpstransfer rate.
*Wi-Fi features may vary depending on the operating system
For Windows 11, Wi-Fi 7 will require24H2 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.
BluetoothBluetooth v5.4***
*** The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.
USB 3.0USB4
Onboard USBUSB
1 x USB 10Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header support(s) 2
additional USB 5Gbps ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header(s)
1 x 4-pin AIO Pump header(s)
1 x 4-pin Chassis Fan header(s)
Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
Storage Related
2 x M.2 slots (Key M)
Miscellaneous
2 x Addressable Gen 2 headers
1 x 2-pin Power Button header
1 x Thermal Sensor header
2 x USB Type-C® connectors to install ROG FPS card
ROG FPS card
2 x SATA 6Gb/s ports
1 x CPU Over Voltage jumper
1 x Front Panel header
1 x Alteration PCIe Mode switch
2 x USB 2.0 headers support 3
additional USB 2.0 ports
Form FactorMini ITX
Dimensions (W x L)6.7" x 6.7"
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- AIDA64 (60 days free trial)
- Aura Creator
- Aura Sync
- Fan Xpert 4 (with AI Cooling II)
- GameFirst
- HWiNFO
- Power Saving
ASUS Driver Hub
ASUS GlideX
Adobe Creative Cloud (Free Trial)
Norton 360 for Gamers (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
AI Overclocking Guide
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI
BIOS EZ Mode
- ASUS
MyHotkey
FlexKey
Dynamic OC Switcher
FeaturesASUS Q-Design
- M.2 Q-Latch
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Code
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- Aluminum backplate
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS button
- ProCool II
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
- Addressable Gen 2 header(s)
ROG STRIX HIVE II
1 x USB Type-C® connects to motherboard
2 x USB 10Gbps port ( 1 x Type-A + 1 x USB Type-C®)
1 x Headphone jack with mic in
1 x Power button
1 x
Package Contents1 x AMD Ryzen 9 9900X3D CPU
1 x Shin-Etsu X-23-7921-5 (1.8g)
Cables
1 x Panel cable
1 x ROG USB2.0 splitter cable
2 x SATA 6Gb/s cables
ROG FPS Card
1 x ROG FPS Card
ROG STRIX HIVE II
1 x ROG STRIX HIVE II
1 x USB Type-C® power connection cable
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x M.2 Q-Latch package(s)
1 x ROG key chain
1 x ROG Strix stickers
1 x M.2 rubber package(s)
Documentation
1 x Quick start guide

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Questions sur cet article

What does the 120W TDP of the Ryzen 9 9900X3D mean for my cooling choice?

The 120W base power rating requires a capable air cooler or AIO liquid cooler that can handle sustained loads; the board includes a 4-pin CPU fan header and a dedicated 4-pin AIO pump header for direct pump control.

What does the PCIe 5.0 x16 slot cap at when paired with the included Ryzen 9 9900X3D?

With the Ryzen 9000 series processor installed, the single x16 slot runs at full PCIe 5.0 x16 bandwidth for graphics cards or high-speed add-in cards.

What clearance does the L-shaped backplate and massive heatsink need around the Mini-ITX board?

The integrated I/O cover and L-shaped backplate extend to the board edges, so ensure your Mini-ITX case allows clearance for tall memory modules and the rear I/O shield without interference.

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