Memory 4GB (2x2GB) PC2-4200 CL4 ECC DDR2 SDRAM DIMM
IBM Memory 4GB (2x2GB) PC2-4200 CL4 ECC DDR2 SDRAM DIMM, 4 GB, DDR2, 533 MHz, 240-pin DIMM
IBM Memory 4GB (2x2GB) PC2-4200 CL4 ECC DDR2 SDRAM DIMM. Internal memory: 4 GB, Internal memory type: DDR2, Memory clock speed: 533 MHz, Memory form factor: 240-pin DIMM, CAS latency: 4, ECC