The product is a lot of 10 mixed brand DDR3L SO-DIMM modules with a total capacity of 80GB, with each module having a capacity of 8GB. These non-ECC memory modules have a bus speed of PC3L-12800 (DDR3L-1600) and 204 pins. They come with a manufacturer warranty and are not a custom bundle. This memory upgrade is ideal for computers and laptops needing additional RAM for improved performance.