Samsung M378B5673EH1-CF8, 2 GB, 1 x 2 GB, DDR3, 1066 MHz, 240-pin DIMM Samsung M378B5673EH1-CF8. Internal memory: 2 GB, Memory layout (modules x size): 1 x 2 GB, Internal memory type: DDR3, Memory clock speed: 1066 MHz, Memory form factor: 240-pin DIMM, CAS latency: 7