Sporting Corsairs signature fin memory heat sink & patented heat-removing printed circuit board design, the XMS3 DHX products feature DDR3 performance while promoting increased stability. DHX technology allows this memory to have superior thermal characteristics to enable it to run cooler than a module with stamped or mesh heat spreaders. The result is enabled superior reliability, stability & performance capability. The TW3X4G1333C9DHX is a 4096 M Byte matched pair of DDR3 SDRAM DIMMs built using Corsairs high performance heat sink with Dual-Path Heat Xchange (DHX) technology. This part delivers outstanding performance in the dual-channel DDR3-based motherboards. It has been tested extensively in popular DDR3 motherboards to ensure compatibility & performance at its rated speed. This memory has been verified to operate at 1333 M Hz at the low latencies of 9-9-9-24.