The product is a Samsung 4GB DDR3 RAM memory module designed for laptops. With a total capacity of 4GB and a capacity per module of 4GB, this memory module is ideal for upgrading or replacing existing RAM modules in laptops that support DDR3 memory technology. The model is SAMSUNG, and the bus speed is PC3-10600S-09-11-F3. This RAM memory module is a reliable and efficient option for improving the performance and multitasking capabilities of laptops. Photo is an example of one of the memory module.