Please make sure your machine is Skylake platform and compatible with DDR4 SODIMM.
Samsung DDR4 SODIMMs Product Highlights
Speeds start at 2133 MT/s
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
Available in modules up to 8GB and kits up to 32GB
Limited lifetime warranty