The XMS Series TR3X6G1333C9 is a 6144 M Byte kit of DDR3 SDRAM DIMMs built using Corsairs high performance heat sink. This part delivers outstanding performance in the latest generation of X58 DDR3-based motherboards. It has been tested extensively in popular X58 motherboards to ensure compatibility & performance at its rated speed. This memory has been verified to operate at 1333 M Hz at latencies of 9-9-9-24 at 1.50V VDIMM.