The SK hynix 8GB DDR4 SDRAM 288-Pin DIMM PC4-2400T HMA81GU6AFR8N-UH is a high-quality memory module designed for desktop computers. With a total capacity of 8GB and a bus speed of PC4-19200 (DDR4-2400), it offers fast and reliable performance. This UDIMM module features ECC memory, ensuring error correction for improved data integrity. It is a single module with 8GB of capacity, perfect for upgrading or replacing existing memory modules in your computer.