Valve Reveals Steam Machine Mainboard Near 100x72mm, Packing 16GB DDR5 and 8GB VRAM
Updated
Updated · digitalfoundry.net · Jun 22
Valve Reveals Steam Machine Mainboard Near 100x72mm, Packing 16GB DDR5 and 8GB VRAM
3 articles · Updated · digitalfoundry.net · Jun 22
Summary
Valve shared teardown photos showing the Steam Machine uses a motherboard engineers described as “almost Pico ITX” — far smaller than the 170x170mm Mini-ITX boards common in small PCs.
The images expose an AMD CPU and GPU on the front side, with four 2GB VRAM modules around the graphics chip and thermal paste covering both processors.
The reverse side shows a combined CPU/GPU backplate and a single 16GB SK Hynix DDR5-5600 SODIMM, while a second RAM slot remains physically present but unfilled.
At roughly the size of a 140mm PC case fan, the device’s board underscores Valve’s push to miniaturize a full gaming system, with more third-party teardowns likely to reveal further design details.