The SK hynix 8GB DDR4 PC4-2666 ECC Registered DIMM is a high-quality memory module designed for computers. With a total capacity of 8GB and a bus speed of PC4-2666, this DIMM provides fast and reliable performance. Featuring ECC memory and being registered, this module ensures error correction and smooth operation for your system. The 288-pin design allows for easy installation and compatibility with a wide range of devices. As a single module with a capacity of 8GB, it offers a convenient and efficient memory solution for your computer needs.