Aluminum enclosure design to help with heat dissipation Driver free support and tool-less design for HD installation Dual LED function: Power on, HD activity Easily add two 2.5" SATA hard drives to your PC Supports Hot Swapping Supports SATA II and maximum data transfer rates up to 6.0 Gbps Swinging latch able door makes it easy for inserting or removing hard drivesThis 3.5in SATA hard drive hot-swap bay allows you to install two 2.5in SATA drives in an available/unused 3.5in floppy drive bay.Featuring a convenient "no mounting required /easy eject" feature (like a tape cartridge or floppy disk), the hard drive hot swap bay doesn't require that the drives be installed in a tray - making it the ideal solution for quick and easy drive removals and insertions as part of a system building process, or integration into rackmount systems or industrial environments.Also a perfect addition for operating system image deployment and any task that requires being able to quickly access large volumes of data on the fly, the hot swap bay provides everything you need to expedite important projects while maintaining a reliable storage solution.