HP 512 MB 144-pin x32 DDR2 DIMM, 0.5 GB, 1 x 0.5 GB, DDR2, 400 MHz, 144-pin SO-DIMM
HP 512 MB 144-pin x32 DDR2 DIMM. Internal memory: 0.5 GB, Memory layout (modules x size): 1 x 0.5 GB, Internal memory type: DDR2, Memory clock speed: 400 MHz, Memory form factor: 144-pin SO-DIMM