19" 1U Rackmount Pentium D with 4 x SATA SN8A Server, Single Socket-T LGA775 Support Intel Pentium 4/ Pentium D 533/800/1066 Mhz FSB processor, Intel E7230 MCH+ICH7R, PCI Express x 8 Slot x 1, 64 bit/133 MHz PCI-X x 1, On Board XGI with 32 MB DDR SDRAM (V-RAM), Dual Gigabit Ethernet with Broadcom 5721J, Hot-Swapped Serial ATA HDD x 4 support RAID 0,1,5,10 up to 3Gb/s, Input 100-240V AC,345W ATX input Power Supply with PFC function