HP 1GB DDR-333, 1 GB, 1 x 1 GB, DDR, 333 MHz, 184-pin DIMM HP 1GB DDR-333. Component for: PC/Server, Internal memory: 1 GB, Memory layout (modules x size): 1 x 1 GB, Internal memory type: DDR, Memory clock speed: 333 MHz, Memory form factor: 184-pin DIMM, ECC