HP 512 MB 144-pin x32 memory module 0.5 GB 1 x 0.5 GB DDR2 400 MHz

HP 512 MB 144-pin x32. 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