G.Skill TridentZ 16G Kit F4-4266C19D-16GTZSW, 16GB (2 x 8GB), 288-Pin DDR4 SDRAM, Speed DDR4 4266 (PC4 34100), CAS Latency 19, 1.40V, Non-ECC, Unbuffered, Dual Channel Kit, Chipset Intel Z270 / Z370 / X299, Black / White, Non-Fan. Building on the strong success of G.SKILL Trident series, Trident Z series represents one of the world's highest performance DDR4 memory designed for PC enthusiasts and extreme gamers.