We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Square mini-ITX motherboard, dark PCB with silver heatsinks and ROG branding

ASUS

ASUS ROG STRIX B850-I GAMING WIFI mini ITX Socket AM5 AMD B850 Chipset USB-C 3.2 Gen 2x2 AMD motherboard

SKU CH-T5VZ-Y7HBP

Mini ITX Socket AM5 board with AMD B850 chipset, USB-C 3.2 Gen 2x2, 2.5 Gigabit LAN and Wi-Fi 7

  • CPU TypeComputer Accessories
  • Compact mini ITX form factor fits small builds
  • AMD B850 chipset powers Socket AM5 processors
  • USB-C 3.2 Gen 2x2 port enables fast data transfers
  • 5 Gigabit LAN plus Wi-Fi 7 delivers high-speed networking
  • 8-channel HD Audio provides immersive sound quality

Compact AM5 foundation

The ASUS ROG STRIX B850-I GAMING WIFI is a mini ITX motherboard built for the AMD B850 chipset and Socket AM5 processors. It targets builders who want a small-form-factor system with modern connectivity and the option to run onboard graphics when the CPU provides them. The board fits cases designed for the mini ITX footprint.

Thermals and power behaviour

The B850 chipset runs within typical desktop power envelopes, so the board does not demand exotic cooling in normal use. Onboard voltage regulation handles the supported AM5 CPUs without audible fan noise under everyday workloads. Power draw scales with the installed processor and attached peripherals, staying consistent with the chipset's design targets.

Upgrade context

This board replaces an older AM4 mini ITX platform when moving to Socket AM5 and the B850 feature set. The jump is worthwhile when you need USB-C 3.2 Gen 2x2 ports, 2.5 Gigabit LAN and Wi-Fi 7 in the same compact layout. Builders staying on AM4 or requiring a larger ATX form factor will not benefit from this change.

Highlights

  • Compact mini ITX form factor fits small builds
  • AMD B850 chipset powers Socket AM5 processors
  • USB-C 3.2 Gen 2x2 port enables fast data transfers
  • 5 Gigabit LAN plus Wi-Fi 7 delivers high-speed networking
  • 8-channel HD Audio provides immersive sound quality

Specifications

BrandASUS
Model90MB1K30-M0EAY0
CPU TypeComputer Accessories

Questions about this item

How do I install the motherboard into a mini ITX case and which step is often missed?

Mount the board on the case standoffs, connect the 24-pin and 8-pin power cables, then attach the front-panel header — the step most often missed is plugging in the Wi-Fi 7 antenna leads before closing the chassis.

What maintenance or replacement will this board need later?

Dust the VRM heatsink and rear I/O ports periodically; the only replaceable part is the CMOS battery when the system starts losing time or BIOS settings.

What limit appears first under sustained heavy load?

The VRM thermal ceiling is reached before the 2.5 Gigabit LAN or USB 3.2 Gen 2x2 ports saturate, so case airflow becomes the limiting factor.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.