Tested and working great.The product is a set of 4 Micron 8GB DDR4 SDRAM PC4-2666V desktop memory modules, with a total capacity of 32GB. Each module has a capacity of 8GB, and they are designed for desktop use with a form factor of DIMM. The memory modules have a bus speed of 2666MHz and 288 pins. This product is suitable for upgrading or replacing existing memory modules in desktop computers to improve performance and multitasking capabilities.