The Micron 4GB 1Rx16 PC4-2400T Desktop Memory is a set of five DDR4 SDRAM modules with a total capacity of 20GB. Each module has a capacity of 4GB, and they are designed with a UDIMM form factor. The memory features include being unbuffered and non-ECC, making it ideal for regular desktop use. The bus speed is PC4-19200 (DDR4-2400), providing fast and efficient data transfer for various computing tasks. With the reliable brand reputation of Micron, this desktop memory set offers quality performance for any computer system.