The Gemini 2-Bay USB 3.1 RAID Enclosure from HornetTek fits up to two 3.5" SATA I, II, or III hard drives and provides them with a speedy and convenient USB interface. It can accommodate up to a total of 8TB, or 4TB per drive, and adheres to the USB 3.1 standard, enabling it to transfer data at up to 10 Gb/s. The Gemini supports multiple RAID modes including JBOD, RAID 0, and RAID 1 for capacity, redundancy, or speed. Its aluminum enclosure keeps the drives cool while a built-in 5 cm fan provides extra heat dissipation. LED indicators on the device will notify you on the device's status as well as drive activity with just a quick glance. Furthermore, with its USB Type-A and Type-C connectivity, you'll be able to connect it to a wide variety of systems.