Kingston ValueRAM KVR21S15D8/16 16GB (1x16GB) 2133MHz DDR4 SODIMM, Non ECC Unbuffered, CL15 @ 15-15-15, 1.2V. Designed for system integrators, Kingston ValueRAM products are engineered to meet industry standard specifications and rigorously tested to ensure quality. Ideal for those who purchase memory by spec and are looking for competitively priced generic memory that is 100% tested to meet industry specifications.