Single Intel Core i7/ i7 Extreme, Xeon 5500 Series Nahalem Intel X58 Express chipset NVIDIA Quadro FX or ATI FirePro Supports up to 24 GB 1333 / 1066 / 800MHz DDR3 ECC / non-ECC Un-Buffered memory Supports 6x 3.5˝ Hot Swap SATA Disks Supports nVidia SLI and ATI CrossfireX Technology | 
