Description:The 1U desktop type trayless enclosure supports plug and play 4 x 3.5" SATA/SAS hard drives without any tool and screws via four eSATA ports for high speed data transfer rate. This device is also compatible with the latest 6.0Gb/s hard drives. It is a simple solution to provide extra space storing data. This solution also comes with 3 silent cooling fans and aluminum case, and it offers optimal heat dissipation with low-noise quiet operation. This is designed to provide high quality video and audio solution for our customers.Features: Comes in an aluminum casing; allows fast dissipation of heat Has three 40mm silent cooling fans; guarantees low-noise/quiet operation Enhanced with 4x eSATA ports; for high speed data transfer rate