2GB (2x1GB), DDR2 533MHz, PC2-4200, 240-pin DIMM
HP 2GB DDR2-533, 2 GB, 2 x 1 GB, DDR2, 533 MHz, 240-pin DIMM
HP 2GB DDR2-533. Component for: PC/server, Internal memory: 2 GB, Memory layout (modules x size): 2 x 1 GB, Internal memory type: DDR2, Memory clock speed: 533 MHz, Memory form factor: 240-pin DIMM, CAS latency: 4