The Transcend TS512MSK64W6H 4GB DDR3L 1600 SO DIMM Laptop Memory is a high-quality memory module designed for laptops. With a total capacity of 4GB and a bus speed of PC3-12800 (DDR3-1600), this SO-DIMM module offers fast and efficient performance. The memory features specifically cater to laptop use, making it a reliable choice for various computing tasks. With its brand reputation and reliable memory features, this Transcend memory module is a great option for upgrading your laptop's memory capacity.