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 size 16gb 4x 4gb speed 2133mhz voltage 15v tested latency 11 11 11 27 buffered unbuffered fan included no