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Compact black Mini-ITX motherboard with silver heatsinks and pre-installed I/O shield

ASUS

ASUS ROG Strix B850-I Gaming WiFi AMD Motherboard & Ryzen 5 9600X Combo

SKU CH-ZC3K-6Y0TA

Mini-ITX AM5 board with Ryzen 5 9600X, 10+2+1 power stages, two PCIe 5.0 M.2 slots, WiFi 7, 2.5G LAN, DDR5 to 96GB, AI overclocking and Aura Sync

  • CPU socketAM5
  • ChipsetAMD B850
  • Form factorMini ITX
  • Memory slot count2 × 288pin (DDR5)
  • Max supported RAM96 GB
  • Memory channelsDual Channel

Motherboard ROG STRIX B850-I GAMING WIFI

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CPU + Ryzen 5 9600X

  • Ready for AMD Ryzen 9000, 8000 and 7000 series desktop processors
  • 10+2+1 power solution rated for up to 70A per stage with ProCool power connectors
  • Two onboard PCIe 5.0 M.2 slots, one cooled by a large heatsink to maximize performance, and the other for additional storage
  • On-board WiFi 7 (802.11be) with Intel 2.5 Gb Ethernet
  • CES 2025 Innovation Award Honoree: Recognized in the Computer Hardware & Components Experience exceptional gaming performa

Compact AM5 combo for small-form-factor builds

The bundle pairs an ROG Strix B850-I Gaming WiFi motherboard with a Ryzen 5 9600X processor. The mini-ITX board uses the AMD B850 chipset and AM5 socket, supporting Ryzen 9000, 8000 and 7000 series CPUs. Two DDR5 slots accept up to 96 GB of memory in dual-channel mode with EXPO and AEMP support. The compact layout targets enthusiasts who need high-end features in a space-constrained chassis.

Robust 10+2+1 power stages rated to 70

Massive heatsinks and an integrated I/O cover use high-conductivity thermal pads to dissipate heat from the VRM and M.2_1 slot. The second M.2_2 slot operates without a dedicated heatsink. AI Overclocking and AI Networking II automate tuning and traffic prioritisation to keep thermals and latency in check during typical gaming workloads. Fan headers and Q-Dashboard monitoring give software control over system cooling.

Two PCIe 5.0 x4 M.2 slots define storage ceiling

Both M.2_1 and M.2_2 accept 2242, 2260 and 2280 drives at PCIe 5.0 x4 speeds, while the CPU link provides a PCIe 5.0 x16 SafeSlot for graphics on Ryzen 9000 and 7000 series. Connectivity adds WiFi 7, 2.5 Gb Ethernet, USB 20 Gbps Type-C, five USB 10 Gbps ports and HDMI. SATA RAID and PCIe RAID 0/1/10 expand redundancy options for the chosen drives.

How it compares

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

Price $713.99
Pricier than about 75% 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 B850-I GAMING WIFI+R5 9600X
Part numberROG STRIX B850-I GAMING WIFI+R5 9600X
Processor
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count2 × 288pin (DDR5)
Max supported RAM96 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports2 x SATA 6Gb/s
M.2 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors*
M.2_1 slot (Key M), type02242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_2 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 (supports PCIe 4.0 x4 mode)
SATA and RAID supportAMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1
Audio & video
Audio chipRealtek ALC4080
Sound 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
- Rear optical S/PDIF out port
- Premium audio capacitors
- Unique de-pop circuit
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot(s)
PCIe 4.0 x16 slotsAMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot(s)
Power
Power connectors1 × 24-pin Main Power connector
1 × 8-pin +12 V CPU Power connector
Size & build
Form factorMini ITX
Width and length6.7 in × 6.7 in
Compatibility
Windows 11 supportWindows 11, Windows 10 64-bit
Windows 11 (22H2 later)
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS // UEFI AMI BIOS(text-based)

Other versions of this model

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Questions about this item

How do I install the Ryzen 5 9600X into the AM5 socket on this mini-ITX board, and what step do builders often miss?

Lift the socket lever, align the triangle on the CPU with the socket corner, lower the chip without pressure, close the lever, then attach the cooler — the step many miss is removing the plastic protective cover from the socket before seating the processor.

What maintenance or replacement will this motherboard and CPU combo need over its lifetime?

The only user-serviceable item is the socketed BIOS firmware chip; BIOS updates are applied via the rear USB BIOS FlashBack button without a CPU installed, so no physical component swap is required for normal upkeep.

Which limit appears first when the 10+2+1 power stages run the 9600X under sustained all-core load?

The VRM thermal capacity of the compact mini-ITX heatsink becomes the bottleneck before the 70 A per stage rating is reached, so prolonged heavy workloads will throttle based on VRM temperature rather than current headroom.

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