VisionTek Red Label 4GB PC3-17000 CL11 2133 -EX Performance Desktop Memory for Intel X79 Platforms (900493) Memory type: PC3-1700 - Extruded heat spreader Data Rate: 2133 MHz CL11 Density Per Module 4 GB Includes VisionTek High Performance Extruded heat spreader 2133 MHz, 11-11-11-24, 1.65V, with Intel and AMD support 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. Red Label