The product is a lot of 8 Crucial by Micron 16GB RDIMM server RAM modules, totaling 128GB of memory capacity. These DDR4 SDRAM modules feature ECC memory and are registered, perfect for enterprise networking and server applications. With a bus speed of PC4-19200 (DDR4-2400) and a lifetime manufacturer warranty, these modules are reliable and high-performing. Made in China, these modules have 288 pins and are designed to provide stable and efficient memory access for server systems.