Corsair Vengeance Performance Memory Kit 16GB DDR4 2666MHz CL18 Unbuffered SODIMM 16GB (2x8GB) DDR4 SODIMM kit for 6th Generation Intel Core i5 and i7 notebooks 2666MHz 18-19-19-39 latency 1.2v Auto-overclocking with compatible notebooks (no BIOS configuration required). Limited Lifetime Warranty Memory Type: DDR4; Speed: 2666MHz