512MB PC2700 DDR-333 Non-ECC UDIMM
512MB Module - DDR2 - Non-ECC - Unbuffered - 333MT/s - PC-2700 - 2.5ns CAS Latency - 2.5V
128MB PC133
128MB PC133 SDRAM Unbuffered Non-ECC
1GB DDR2-800 Non-ECC DIMM
1GB Module - DDR2 - Non-ECC - Unbuffered - 800MT/s - PC2-6400 - 6ns CAS Latency - 1.8V