The product is a lot of 7 Hynix HMT151R78FR4C-H9 PC3-10600R server memory modules, each with a capacity of 4GB. These modules are Low-Drop-In Memory Modules (LRDIMM) with 240 pins and support Error Correcting Code (ECC) memory. The total capacity of this lot is 28GB, making it a valuable addition for enhancing the performance and reliability of server systems that require high-quality memory modules.