Make applications run more smoothly with this corsair vengeance lp red memory expansion kitthis kit contains two 4 gb ddr3 ram memory modules clocked at 1866 mhz allowing you to get boosted performances for your multimedia programs and video games size 8gb 2x4gb speed 1866mhz voltage 15v timing 9 10 9 27 buffered unbuffered fan included no channel quad channel pin 240