This 8GB twin kit memory solution has been designed specifically to support the Intel Core i5 and Core i7 dual channel memory DDR3 solutions. This solution runs at an incredibly fast 1600MHz at CAS latency of 9-9-9-24. So not only do you get to run your Intel Core i5 or Core i7 dual channel memory system at 1600MHz but with these tight Latency timings your system performance will rock..- 8GB memory kit (2 x 4GB) for use with Dual Channel DDR3 Intel Core i5 and Core i7 processors- 1600MHz- Latency of 9-9-9-24 for maximum reliability and performance- Intel XMP (Extreme Memory Profile) Support- XMS Heat Spreader- Limited Lifetime Warranty- Sandybridge/Ivybridge compatible