512MB DDR2 SDRAM UDIMM PC2-4300 CL4 NS (NMS)
IBM 512MB DDR2 SDRAM UDIMM, SDR SDRAM, 533 MHz, 240-pin DIMM
IBM 512MB DDR2 SDRAM UDIMM. Internal memory type: SDR SDRAM, Memory speed: 533 MHz, Memory form factor: 240-pin DIMM, CAS latency: 4, ECC