Crucial 4GB Single DDR4 2666 MT/s (PC4-21300) CL19 x8 SODIMM 260-Pin Memory - CT4G4SFS8266

Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology matures Increase bandwidth by up to 30% 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