The product is a lot of 4 SK hynix DDR3 PC3L-12800R ECC memory modules, each with a capacity of 16GB. These RDIMM modules have a total capacity of 64GB and are designed for use in server environments. The memory modules are manufactured in China and feature error correction code (ECC) memory technology, providing enhanced reliability for critical systems. This lot of server RAM is ideal for businesses or individuals looking to upgrade or expand their server memory capacity with high-quality components from a trusted brand like SK hynix.