16GB DDR3, 240-pin DIMM, 1600MHz, Registered (buffered)
IBM 47J0226, 46W0674, 16 GB, DDR3, 1600 MHz, 240-pin DIMM
IBM 47J0226, 46W0674. Internal memory: 16 GB, Internal memory type: DDR3, Memory clock speed: 1600 MHz, Memory form factor: 240-pin DIMM, ECC