4GB (4x1GB), DDR 400MHz, ECC
HP 4GB DDR-400, 4 GB, 1 x 4 GB, DDR, 400 MHz
HP 4GB DDR-400. Component for: PC/server, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR, Memory clock speed: 400 MHz, ECC