The AddOn 2x8 16GB DDR-4 2666 SODIMM Kit is a reliable and efficient memory upgrade solution for computers. With a total capacity of 16GB and a capacity per module of 8GB, this kit provides ample memory for smooth and fast performance. The DDR4 SDRAM type ensures high speed and data transfer, while the SO-DIMM form factor makes it easy to install in laptops and other devices. Tested and working, this kit from Axiom is a dependable choice for boosting your computer's memory capacity.