3.5" eSATA/USB External Hard Drive Enclosure for SATA HDD - "The SAT3510BU2E InfoSafe 3.5"" eSATA/USB 2.0 Removable Trayless SATA HD Enclosure offers effortless maintenance and configuration of external storage - making it an ideal solution for a broad variety of data and backup solutions. Supporting the latest generation of hard drive storage up to Terabyte (1TB) capacity, the SAT3510BU2E offers simple installation of any 3.5"" SATA II (SATA /300) or SATA (SATA /150) hard drive, featuring a trayless hard drive insertion/removal capability, making it a unique external hard drive storage solution for fast swapping of hard drives for disk imaging and quick shor term backups. The SAT3510BU2E can be connected to the host computer using either eSATA or USB, so you can rely on excellent data transfer speeds (up to 3Gbps for eSATA, 480Mbps for USB 2.0) and quick connectivity. The SAT3510BU2E is constructed to provide a durable housing for inserted drives, to prevent physical damage to the drives while in transit, and features lockable front door access for added data security. Using Terabyte hard drives? Don?t expose your Hard Drive and valuable data to unnecessary heat! To ensure a cool operating environment, the SAT3510BU2E provides a built-in 40mm fan that re-distributes the heat build-up generated as a result of typical drive operation, which is especially important for larger volume storage (750GB, 1TB hard drives), and faster spinning"" drives (i.e 7200 RPM), as it can help optimize drive operability and in turn preserve stored data integrity."