The Samsung 16GB 2Rx4 PC3L-12800R-11-12-E2-D3 ECC REG Server Memory is a high-quality DDR3 SDRAM module designed for server use. It has a total capacity of 16GB spread across 1 module, making it ideal for boosting server performance and stability. With features like ECC memory and registration, this memory module offers reliable and error-correcting capabilities for critical enterprise networking and server applications.