The product is a lot of 2 Samsung DDR4 2133MHz ECC LRDIMM modules, each with a total capacity of 64GB. This RAM is designed for high reliability and error correction, making it ideal for server or professional computing needs. With a total capacity of 128GB in this lot, it offers ample memory for demanding tasks. The Samsung brand ensures quality and compatibility with various systems. These modules are crucial components for enhancing the performance and stability of computer systems requiring ECC memory capabilities.