Kingston ValueRAM DDR (KVR400X64C3AK2/512)

PC400 DDR DRAM- 256MB, Pack of 2 184-pin (DDR) Double Data Rate DIMM module, 400 MHz, Non-ECC Clock Level 3 (3-3-3). Providing 3x the throughput of SDRAM, DDR memory's high performance comes from its ability to perform two data operations in one clock cycle. MANUFACTURER WARRANTY: LIFETIME.