The product is a set of 32GB DDR4 PC4-2133P RAM modules from Micron, with each module containing 4GB of memory. These modules are designed for ECC memory functionality and have a total of 288 pins. With a bus speed of PC4-2133P, these DIMM modules offer reliable and efficient performance for computer systems requiring high-quality memory components. This product is ideal for enhancing the speed and responsiveness of a computer system, allowing for smooth multitasking and improved overall performance. untested, but believed to be working. sold as-is.