The Samsung 4GB PC3-12800 (DDR3-1600) Memory module is a high-quality memory upgrade for computers that require reliable performance. With a total capacity of 4GB and a bus speed of PC3-12800 (DDR3-1600), this SO-DIMM module is designed to enhance the speed and efficiency of your system. The ECC memory feature provides added error correction for increased data integrity, making it a reliable choice for demanding computing tasks. Made by Samsung, a trusted brand in the industry, this memory module is a dependable option for boosting your computer's memory capacity.