This dual channel kit complements compatible chipsets to eliminate data bottlenecks by doubling your memory bandwidth. Optimized for speed, low latency and high stability, Ripjaws X Series memory is the perfect solution to overall more responsive system. G.SKILL is also a perfect solution to heat management because each Ripjaws X Series DIMM comes with an impressive heat-spreader. These DIMMs also operate at a cool 1.5V for better internal temperature and compatibility. With the G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1866 Memory you know you're getting great quality RAM at an amazing price.