Small Compact Low Power

Hi All,

I want to build a new PC (small server) that's small and compact with low power usage so I can keep it on. I was wondering if anyone have any suggestion for me?

Thanks in advance

http://pcpartpicker.com/p/1ltiu

CPU: AMD A8-5500 3.2GHz Quad-Core Processor ($96.98 @ Outlet PC)

Motherboard: MSI FM2-A75MA-P33 Micro ATX FM2 Motherboard ($44.99 @ Newegg)

Memory: Crucial Ballistix Sport 4GB (2 x 2GB) DDR3-1600 Memory ($35.99 @ Microcenter)

Storage: Seagate SV35.5 2TB 3.5" 7200RPM Internal Hard Drive ($104.98 @ Outlet PC)

Power Supply: SeaSonic 300W 80 PLUS Bronze Certified ATX12V Power Supply ($42.98 @ SuperBiiz)

Other: cooler master 120 elite (micro cube) ($40.00)

Total: $365.92

hmm...nice and cheap, I think I will get this...

Thanks for the help

Fractal Design Core 1000 USB 3.0 (its $20 at the moment) forget the case i put in the list i added the wrong case its a itx not micro 

http://pcpartpicker.com/part/fractal-design-case-fdcacore1000usb3bl

silverstone do a nice cube micro atx case but its a little expencive http://www.newegg.com/Product/Product.aspx?Item=N82E16811163206