Ballistix Elite 32GB Kit DDR3 2133 MT/s (PC3-17000) UDIMM w/XMP/TS 240-Pin - BLE4K8G3D21BCE1 Designed for extreme enthusiasts, gamers and over clockers Efficient Finned aluminum heat spreaders Thermal Sensor allows real time temperature monitoring Advanced Speeds and timings (XMP Profile) 4GB Based Part