Consumes less than 8W. No operating system installed, but runs Windows 7 and most other operating systems.

Complete with power adapter and HDMI -> DVI adapter. This thing is built like a tank, so it's in mint condition. Sells new for $375USD excluding tax.

Asking $250.

Perfect for home media server or small engineering projects:

model: C1600-H-W-XL
serial 090909-145
1.6ghz Atom cpu, 1GB RAM, 250gb HD.