32GB, DDR2, 400MHz, 240-pin DIMM
IBM 15R8508, 32 GB, 4 x 8 GB, DDR2, 400 MHz, 240-pin DIMM
IBM 15R8508. Component for: PC/Server, Internal memory: 32 GB, Memory layout (modules x size): 4 x 8 GB, Internal memory type: DDR2, Memory clock speed: 400 MHz, Memory form factor: 240-pin DIMM