Kingston 16GB 1333MHz DDR3 Non-ECC CL9 DIMM (Kit of 2) - 16 GB (2 x 8 GB) - DDR3 SDRAM - 1333 MHz DDR3-1333/PC3-10600 - Non-ECC - Unbuffered - 240-pin - DIMM (KVR13N9K2/16)