Personal Reliable External Storage SystemThis 4 bay hdd enclosure supports up to 64TB external expanded storage. 64TB Massive Storage Capacity The 4 bay hard drive enclosure can house up to 4 hard drives, with single disk up to 16TB. For 2.5/3.5 SATA Hard DriveThe USB C 4 bay enclosure is designed for 2.5/3.5 SATA hdd or ssds. 80mm Built-in Fan The 4 bay enclosure is built with rugged heat-dissipating aluminum shell, a 80mm fan inside effectively accelerates air convection and rapid cooling. USB3.1 Type C InterfaceThis 4 bay hdd enclosure adopt SATA III protocol, transfer rate up to 6Gbps (MAX). Equipped with a versatile USB3.1 Type C interface to connect other peripheral devices. Compatible with most Windows, Mac and Linux systems.