4GB (2x2GB) PC2-5300 CL5 ECC DDR2 SDRAM DIMM
IBM 4GB (2x2GB) PC2-5300 CL5 ECC DDR2 SDRAM DIMM, 4 GB, DDR2, 667 MHz
IBM 4GB (2x2GB) PC2-5300 CL5 ECC DDR2 SDRAM DIMM. Internal memory: 4 GB, Internal memory type: DDR2, Memory clock speed: 667 MHz, CAS latency: 5, ECC