The product is a lot of 24 Kingston 16GB DDR3 1600MHz EEC RAM modules, each with a total capacity of 16GB. These modules have an RDIMM form factor, DDR3 SDRAM type, and ECC memory feature. With a bus speed of PC3-10660 (DDR3-1600mhz ), this lot of RAM modules offers a total capacity of 384GB, making it ideal for high-performance computing tasks. New in packages. If you have any questions, feel free to send me a message. Not very technical savvy but im sure I can find out what it is you wanna know. Thank you for your interest