For comparing this is what my 24/7 intel atom based server takes with an SSD, no optical drive, no peripherals. I also added some other systems I had running here.
|AMD Athlon 64 X2 3200+||AsRock||ATX 400W||Ubuntu Desktop||80W|
|Intel Atom D525||Intel D525MW||ATX 400W||Ubuntu Desktop||40W|
|Intel Atom D525||Intel D525MW||ITX 60W||Ubuntu Desktop||19W|
|Intel Atom D525||Intel D525MW||ITX 60W||Ubuntu Server||16.5W|
If someone is interested in more specific read outs please let me know and I'll see what I can do.