Excellence, keep RAM very cool, Gskill FTB-3500C6-S Turbulence Cooling Fan, Speed :3500 RPM

Very fast and accurate RAM. OCZ low-voltage DDR3 kits are designed specifically for the Intel® P55 Chipset and subsequent Intel® Core™ i7, i5, and i3 (Socket 1156) processors. Configured for dual channel mode, these ultra-compatible 4GB kits ensure optimal performance with an ideal combination of low power requirements at 1333MHz.