G.SKILL F3-10666CL9D-RAM: 8GB (4GBx2)-RipjawsX-DDR3-1333 CL9-9-9 1.50V F3-10666CL9D-8GBXL RipjawsX DDR3-1333 CL9-9-9 1.50V 8GB (2x4GB) The Ripjaws classic has returned! This time, the G.SKILL RipjawsX Series is raising the bar for computing experience and performance expectations across the board. Equipped with XMP profiles and dual-channel capable, your Intel and AMD systems will easily tear through all your games and programs Chosen By Overclockers Enthusiasts' choice can’t be wrong. Building on the world-class performance and overclockability, G.SKILL RipjawsX series memory has been voted as the Best Memory Series by the community of the overclockers in 2011! If you need a high performance and high quality kit to complete your enthusiast PC, look no further. The 'Customer Choice Award' Winner Built for the best quality, G.SKILL RipjawsX series memory has been the most frequent winner of Newegg's 'Customer Choice Award', against all Desktop Memory products at Newegg.com. Backed up by thousands of the highest rating of customer reviews, RipjawsX series memory is absolutely the best quality product you can trust. Optimal Compatibility and Superior Quality As an unparalleled DDR3 memory solution, the RipjawsX Series is the memory of choice. Specifically designed to complement dual-channel capable systems and optimized for the widest compatibility with Intel and AMD platforms, each RipjawsX memory kit is put through numerous compatibility and stress tests. As a result of our strict quality control, RipjawsX offers the highest quality, fastest speed, lowest timing, and firmest stability. Spec Memory Type DDR3 RAM: 8GB (4GBx2) Multi-Channel Kit Dual Channel Kit Tested Speed (XMP/EXPO) 1333 MT/s Tested Latency (XMP/EXPO) 9-9-9-24 Tested Voltage (XMP/EXPO) 1.50V Registered/Unbuffered Unbuffered Error Checking (ECC) Non-ECC SPD Speed (Default) 1333 MT/s SPD Voltage (Default) 1.50V Fan Included No Warranty Limited Lifetime