Crucial Ballistix 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Desktop Memory with Thermal Sensor Model BL2KIT25664FN1869 Designed specifically for the latest Intel Core i3/i5 and AMD dual channel-based platforms DDR3 1866, gamer favorite, delivers amazing performance and platform compatibility with up 14900MB/s memory bandwidth per channel for the ultimate work and gaming power. Fast, reliable, and easy to set up, it's the perfect performance memory. Intel Extreme Memory Profiles (XMP) technology provides a robust, profile-based, user-friendly overclocking solution for novice and experienced overclockers  easily overclock your platform by selecting the predefined profile in the BIOS, or manually adjust frequency and timings to extract maximum performance from your system. 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900)