16GB DDR3 G.Skill Ares Series CL9 quad channel memory kit, comprising 4x4GB modules. PC3-17000 memory, 2133MHz with timings of CL9 (9-11-10-28), 1.65V. Low profile memory modules (height of 33mm / 1.30 inches) with new style Ares heatsinks. Intel XMP ready.