1GB DDR2, 240-pin DIMM, 800MHz
HP 1GB PC2-6400, 1 GB, DDR2, 800 MHz, 240-pin DIMM
HP 1GB PC2-6400. Component for: PC/Server, Internal memory: 1 GB, Internal memory type: DDR2, Memory clock speed: 800 MHz, Memory form factor: 240-pin DIMM, CAS latency: 6