4GB DDR3, 240-pin DIMM, 1333MHz, CL9, ECC
IBM 4GB PC3L-10600, 4 GB, 1 x 4 GB, DDR3, 1066 MHz, 240-pin DIMM
IBM 4GB PC3L-10600. Component for: PC/Server, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR3, Memory speed: 1066 MHz, Memory form factor: 240-pin DIMM, CAS latency: 9, ECC