VisionTek 4GB DDR3 1333 MHz (PC-10600) CL9 DIMM, Desktop Memory - 900379 Ultra-high performance 4GB DDR3 Single-Pack kit for Intel Core i3, i5, i7 Dual Channel processors and Triple Channel processors. 1333MHz, 9-9-9-24, 1.5V, with Intel and AMD support. 4GB module for use in high performance Intel Core i3, i5, i7 Dual Channel and Triple Channel systems. Lifetime warranty: This DDR3 memory kit is built to last under the most demanding, processor intensive environments, and is backed by a limited Lifetime warranty. Memory type : PC3-10600 Data Rate: 1333 CL9 Density Per Module 4 GB