Hot-swap any 3.5in SATA hard drive easily from any computer with a 5.25in bay Maximize performance, with file transfer speeds up to 6 Gbps when paired with SATA III HDD & controller Quickly & easily install or remove hard drives without having to open the chassis with the innovative trayless design Rubber shock absorbers, a solid aluminum construction & 50, 000+ insertion rating ensures longevity from both the drives & bay This 3.5in SATA hard drive hot-swap bay means that you can install a 3.5in SATA drive in an available/unused 5.25in drive bay. To remove the drive, it's as simple as opening the front panel door; to re-insert a drive, simply insert the drive (connector first) until the door closes. The hot swap bay offers a trayless design that makes it the ideal solution for quick & easy drive removals & insertions as part of a system building process, or integration into rackmount systems or industrial environments. To maximize performance & utilize the full speed potential of your SATA III hard drives, this HDD Backplane supports SATA III for transfer speeds up to 6 Gbps when paired with compatible controller. Also a perfect addition for operating system image deployment & 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. With support for SATA HDD speeds up to 6.0 Gbps, the mobile rack/backplane is fully compatible with RAID installations to ensure maximum performance & versatility for enhanced storage applications. Designed to provide a durable & reliable operating experience, the mobile rack features a 50, 000+ insertion rating & is backed by Star Tech.com's 2-year warranty. WhatÂ’s in the box 5.25" Tray-Less SATA Hot-Swap Bay Key Screw Kit Instruction Manual