Kingston Technology ValueRAM 512MB 400MHz DDR2 Non-ECC CL3 SODIMM, 0.5 GB, DDR2, 200-pin SO-DIMM Kingston Technology ValueRAM 512MB 400MHz DDR2 Non-ECC CL3 SODIMM. Internal memory: 0.5 GB, Internal memory type: DDR2, Memory form factor: 200-pin SO-DIMM, CAS latency: 3