The Patriot Viper II Sector 5 PC3 16000 2000MHz Memory Kit is a 4GB (2 x 2GB) set of DDR3 Dual Channel Memory that offers timings of 8-8-8-23 at a voltage of 1.65. The Patriot Sector 5 Memory kit is designed to enhance performance when used in conjunction with the Intel core i5/i7 LGA1156 processors but can be used with other types of DDR3 systems as well. The Viper II Sector 5 2000MHz memory kit also includes a copy of FutureMarks 3D mark Vantage benchmarking suite.