VisionTek Red Label 4GB PC3-14900 CL10 1866 EX DDR3 DIMM Desktop Memory (900430) Ultra-high performance 4GB DDR3 Single-Pack kit for Intel Core i3, i5, i7 Dual Channel processors and Triple Channel processors. Includes VisionTek High Performance Extruded heat spreader 1866MHz, 10-10-10-24, 1.65V, 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: PC3-14900-extruded Data Rate: 1866 CL10 Density Per Module 4 GB