The S3510BMU33ET is removable hard drive enclosure lets connect a 3.5” SATA hard drive through an available USB 3.0 or eSATA port, with a tray-less design that makes hot-swapping easy. For fast performance and efficient data transfers, when connected through eSATA, the enclosure supports full SATA III transfer speeds up to 6Gbps. For universal compatibility, the enclosure can be connected through USB 3.0 with transfer speeds up 5Gbps plus support for UASP, which supports performance up to 70% faster than conventional USB 3.0 when paired with a UASP-enabled host controller to utilize the full potential of SATA III hard drives. The HDD enclosure offers a versatile solution for increasing the storage/backup capabilities of computer, with supports for hard drives at capacities of up to 4TB and the ability to easily hot-swap between drives. Plus, to maximize both durability and reliability, the enclosure features high-quality aluminum construction and is backed 2-year warranty and free lifetime technical supported.