specification : amd opteron dp model 254 64bit skt940 hyper transport direct connect architecture support dual processors (without fan) proc frequency : 2.8ghz 64-bit computing : yes l2 cache : 1mb hypertransport tech : 2000mhz packaging : socket 940 hypertransport i/o bandwidth: 8gb/s mem controller width : 72-bit type of mem supported : pc3200, pc2700, pc2100 or pc1600 ddr sdram memory bandwidth : up to 6.4 gb/s total processor-to-system bandwidth : up to 14.4 gb/s memory controller width : 128-bit hypertransport link width : 16 bits x 16 bits l1/l2 data cache protection : ecc * intg mem controller * 64-bit instruction set support * 32-bit instruction set support * enhanced virus prot for win xp sp2