The product is a lot of 10 x 8GB DDR3-1600 laptop memory modules from various mixed brands, with the majority being Samsung. Each module has a capacity of 8GB, with a total capacity of 16GB for the entire package. The memory modules are in SO-DIMM form factor and DDR3 SDRAM type. The model number is M471B1G73QH0-YK0, and the bus speed is PC3-12800 (DDR3-1600). This product is ideal for those looking to upgrade their computer's memory capacity with reliable and tested modules.