The Steam Machine prototype units will ship with the following components:
• GPU: some units with Nvidia Titan, some GTX780, some GTX760, and some GTX660
• CPU: some boxes with Intel i7-4770, some i5-4570, and some i3
• RAM: 16GB DDR3-1600 (CPU), 3GB GDDR5 (GPU)
• Storage: 1TB/8GB Hybrid SSHD
• Power Supply: Internal 450w 80Plus Gold
• Dimensions: approx. 12 x 12.4 x 2.9 in high
Valve is working with an undisclosed number of hardware partners on the Steam Machines concept, some of which will be producing high-performance units like the prototype, and others that will be working towards other goals – like smaller form factors, less operational noise, or a lower price point.