The product is an 8GB lot of DDR3L 1600MHz PC3L-12800S laptop RAM, consisting of two 4GB modules from Kingston and SK Hynix. These SO-DIMM modules have a total capacity of 8GB, with each module containing 4GB of memory. The RAM is designed for laptops and has a bus speed of PC3-12800 (DDR3-1600). Ideal for upgrading or replacing existing RAM modules in laptops, this product offers reliable memory capacity for improved performance.