This product is a lot of 10 x 8GB DDR4 2666 MHz mixed brand PC4-21300 U-DIMM desktop memory RAM modules. Each module has a capacity of 8GB, and they have a total capacity of 80GB. These RAM modules are suitable for desktop computers and have a form factor of UDIMM. They are DDR4 SDRAM type with a bus speed of PC4-21300 (DDR4-2666) and have 288 pins. The random brand ensures quality and compatibility with a wide range of desktop computers.