There are many ways of doing this, here is a small topic on about it.
But there are so much more exemples, use the manual and the search button...

Cheers

Frazzle

Antec® Case
Intel® X58 Chipset
Intel® i7 975 Quad Core
8 GB RAM DDR3
SSD OCZ®-VERTEX2 3.5 x4 ; HD 600 GB
NVIDIA® GeForce GTX 295 Memory 1795GB