Compatibility: All DDR / DDR2 / DDR3 memory. Not compatible to single side RAM module. Heatsink Dimensions: 125(L) x 46(W)x 9.6(H) mm Features: Base Material: Al. Extrusion Base Color: Black Pillar and fin combination provides high performance Vast compatibility across multiple types of memories Increases overclocking potential High thermal efficiency Optimized for natural convection Pre-applied adhesive thermal tape Light weight Easy installation