Kingston HyperX Fury 8GB DDR3 SDRAM Memory Module - For Desktop PC - 8 GB (2 x 4GB) - DDR3-1866/PC3-15000 DDR3 SDRAM - 1866 MHz - CL10 - 1.50 V - Non-ECC - Unbuffered - 240-pin - DIMM

Up to 1866 MHz speed for smooth computer performance 8 GB of memory to heighten your computers performance DDR3-1866/PC3-15000 interface synchronizes electrical and clock signals for an efficient data transfer rate