Patriot Memory Viper 3 Series, DDR3 8GB 1866MHz - For Desktop PC - 8 GB (1 x 8GB) - DDR3-1866/PC3-15000 DDR3 SDRAM - 1866 MHz - 1.50 V - Non-ECC - Unbuffered - 240-pin - DIMM - Lifetime Warranty

No matter how heavy and numerous the applications that you are using, 1866 MHz memory speed will run them smoothly DIMM 8 GB of memory makes a perfect symmetry with your latest model processor and boosts up your computers performance 240-pin-pin DDR3-1866/PC3-15000 interface synchronizes electrical and clock signals for an efficient data transfer rate