We show you what hardware and software you need to build your own NAS box.

We add Seagate's latest Barracuda XT hard disk with new Gigabyte and Asus P55 motherboards featuring SATA 6Gbps to see what performance potential, if any, the latest SATA standard offers.

While SSDs might be the hot topic in storage this year, Western Digital remains focussed on HDDs, with the new 2TB Caviar Black it's new top end model. With four 500GB platters and a spindle speed of 7,200RPM, does the Caviar Black show there's life in HDDs yet? We find out.

The march of ever larger hard drive capacities takes a big step forward with Western Digital's massive 2TB Caviar Green. With four enormous 500GB platters boasting more storage than any other 3.5" drive, we find out how this colossus of hard disk drives performs.