M471A2K43CB1-CTD Form Factor 260PIN SODIMM Total Capacity 16GB Warranty Limited Lifetime Specs DDR4 PC4-21300 ,CL=19 ,Unbuffered ,NON-ECC ,DDR4-2666 ,1.2V Series Samsung Speed 2666 MHz Voltage 1.2V DIMM Type Unbuffered Component for laptops and All-in-one PC`s Samsung DDR4 SODIMMs Product Highlights Speeds start at 2133 MT/s Speeds start at 2133 MT/s Reduce power consumption by up to 40% and extend battery life Faster burst access speeds for improved sequential data throughput Optimized for next generation processors and platforms Available in modules up to 8GB and kits up to 32GB Available in modules up to 8GB and kits up to 32GB