Testing PC components is going to be much easier when you have a Lian Li PC-T80 Test Bench around. It supports standard ATX PC components. It has an aluminum body and a HDD bay that can hold 3 x 3.5″ hard drives. It can handle XL-ATX, ATX, Micro-ATX motherboards.
The above video gives you a better idea what this test bench has to offer. More information is available here.