The product is a set of DDR3 RAM modules totaling 8GB, with each module having a capacity of 8GB. This RAM set is sold from old stock and is effectively brand new, with free shipping included. It features a form factor of DIMM and a bus speed of PC3-12800 (DDR3-1600). Additionally, it comes with a lifetime manufacturer warranty and includes ECC memory features. With 4 modules and 240 pins, this RAM set is a reliable and high-quality choice for upgrading or replacing memory modules in laptops and desktop computers.