Kingston is the industry leader in pc memory. our line of hyperx desktop memory is ideal for pc enthusiasts and gamers. you want the highest performance and speed you need hyperx memory from kingston. included in package is four 4gb modules of 1600mhz ddr3 xmp desktop memory. specs include non-ecc cl9 dimm memory type, 128mx64-bit, 240-pin unbuffered, 1.65v, fbga,gold.