ADATA Premier DDR4 2666 unbuffered-DIMM memory is the latest upgrade solution that supports Intel's newest platforms for faster data transfer and enhanced power efficiency. Utilizing a 288-pin design operating voltage has been reduced from 1.5V on DDR3 to 1.2V which not only helps save power by 20% but also boosts transfer bandwidth speed to 21.3GB/s. Every chip in ADATA memory modules meets strict JEDEC and RoHS standards ensuring compatibility stability and environmentally friendly products.     Lifetime Warranty All ADATA memory modules are produced and tested using a rigorous quality control process for rapid computing and stable operation. In addition ADATA memory modules provide customers a lifetime warranty for maximum assurance with excellent service.