4096MB (2x2048MB) DDR2 PC2 8500
G.Skill 4GB (2x2048MB) DDR2 PC2 8500, 4 GB, 2 x 2 GB, DDR2, 1066 MHz, 240-pin DIMM
G.Skill 4GB (2x2048MB) DDR2 PC2 8500. Internal memory: 4 GB, Memory layout (modules x size): 2 x 2 GB, Internal memory type: DDR2, Memory clock speed: 1066 MHz, Memory form factor: 240-pin DIMM, CAS latency: 5