The USED Samsung M471B5273CH0-CH9 4 GB (1x4GB) PC3-10600S Laptop Memory RAM is a reliable and high-quality memory module suitable for laptops. With a total capacity of 4 GB and a capacity per module of 4 GB, this DDR3 SDRAM module is designed for optimal performance. It features ECC memory for error correction and is backed by a lifetime manufacturer warranty, ensuring long-lasting durability. The SO-DIMM form factor and 204 pins make it compatible with a wide range of laptops, while the bus speed of PC3-10600 (DDR3-1333) ensures efficient data processing.