Upgrade your computer's memory with this lot of 4 Samsung M393B2G70QH0-YK0 DDR3 SDRAM modules with a total capacity of 64GB. These registered ECC memory modules are designed for server use and are not for desktops. Each module has a capacity of 16GB and a bus speed of PC3-12800 (DDR3-1600). These modules are ideal for businesses or individuals looking to improve their server's performance and functionality. The memory features include ECC memory and registered memory, ensuring data integrity and stability. Don't miss out on this opportunity to enhance your server's capabilities.