The excellent quality of the materials combined with outstanding craftsmanship form the basis for a highly versatile chassis. The 4U 4408 allows for the installation of up to eight 2.5-inch or 3.5-inch hot-swap hard drives and one internal 2.5-inch or 3.5-inch hard drive (when using a 2.5-inch hard drive with a height of 9.5 mm, a 3.5-inch hard drive can also be installed simultaneously). The 4U 4408 is equipped with two serial 80 mm fans.