The Samsung M378B5273DH0-CH9 4GB DDR3 memory module is a high-quality RAM upgrade for your computer. With a total capacity of 4GB divided into one DIMM module, this memory is designed for optimal performance. Made by Samsung, a trusted brand in computer components, this DDR3 SDRAM module has a bus speed of PC3-10600 (DDR3-1333) and 240 pins for easy installation. Upgrade your computer's memory capacity with this reliable and efficient memory module.