Through the excellent material quality combined with outstanding workmanship, Inter-Tech has laid the foundation for an extremely versatile case. The IPC 4U-40255 allows for the removal of the mounting frames on both sides, enabling the installation of up to six additional 5.25" external drives, with up to 3x 5.25" externally available as standard. In total, a maximum of 11x 3.5" or 4x 2.5" hard drives can be installed internally, depending on the configuration. Additionally, two 120 mm and two 80 mm fans ensure reliable optimal cooling. Two easily accessible USB 3.0 front ports and the lid with two snap-in closures complete the package.