4GB, PC2-5300, registered, DDR2, low-power, dual-rank DIMM memory module
HPE 487945-001, 4 GB, 1 x 4 GB, DDR2, 667 MHz, 240-pin DIMM
HPE 487945-001. Component for: PC/Server, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR2, Memory clock speed: 667 MHz, Memory form factor: 240-pin DIMM, ECC