Kingston Technology HyperX 12 GB Kit (6x2 GB Modules) 12 Hexa-Channel Kit 1600 (PC3 12800) 240-Pin DDR3 SDRAM KHX1600C9D3K6/12GX 12GB Kit including six 2GB modules of 1600MHz Class 9 DDR3 Desktop Memory Utilizes HyperX module with faster latency timing for higher performance and speed Specifically designed and tested for compatibility in various makes and models of desktop computers From the industry leader in PC memory Non-ECC Low-Latency 240-pin unbuffered DIMM type