Corsair vengeance ddr3 memory modules are designed with overclockers in mind vengeance dimms are built using ram specially selected for their high performance potential aluminum heat spreaders help dissipate heat and provide the aggressive look that you want in your gaming rig warranty lifetime size 4gb kit 2 x 2gb performance profile xmp fan included no heat spreader vengeance memory configuration dual channel memory type ddr3 package memory pin 240 package memory format di