HP 4GB (1x4GB) DDR2-800 ECC Memory
HP 4GB DDR2-800, 4 GB, 1 x 4 GB, DDR2, 800 MHz, 240-pin DIMM
HP 4GB DDR2-800. Component for: PC/Server, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR2, Memory speed: 800 MHz, Memory form factor: 240-pin DIMM, ECC