HP 256MB SDRAM, 0.25 GB, 1 x 0.25 GB, SDR SDRAM, 133 MHz HP 256MB SDRAM. Component for: PC/Server, Internal memory: 0.25 GB, Memory layout (modules x size): 1 x 0.25 GB, Internal memory type: SDR SDRAM, Memory clock speed: 133 MHz, ECC