256MB PC2100 DDR-266
256MB PC2100 DDR266 Unbuffered Non-ECC
128MB PC800 ECC RDRAM-1600
128MB 184pin 8Mx18 ECC PC800-45ns RIMM-1600 (Infineon)
256MB DDR-333 PC2700 Non-ECC DIMM
256MB Module - DDR - Non-ECC - Unbuffered - 333MT/s - PC-2700 - 2.5ns CAS Latency - 2.5V