CORSAIR high performance Vengeance memory module 8GB (2x4GB) 1600MHz 9-9-9-24, 1.5V for motherboards using dual channel platforms. These modules are designed for high-performance space-constrained applications that prevent the use of standard Vengeance memory. Each module is built using carefully selected DRAM to allow excellent overclocking performance, and has a limited lifetime warranty. 2 x 4GB. DDR3 RAM memory channel. 1600MHz supported memory speeds. Manufacturers limited lifetime guarantee.