product description : ibm system x3550 form factor : 1u rach processor : quad-core intel xeon processor e5430 2.66 ghz, 1 ghz fsb, 12 mb internal l2 cache memory : 2 gb(2 x 1 gb) ddr2 667 mhz sdram memory slots : 8 dimm total storage controller : servraid 8k-l sas controller optical drive : dvd-rom graphics : ati rn50 16mb video: ddr1 ram type comm : gigabit ethernet bays : 3.5 inch sas/sata open bays slots : 1 x pci express x8 half dimension(h x w x d) : 43 x 440 x 711 mm