StarTech.com 5.25in Trayless Hot Swap Mobile Rack for 3.5in Hard Drive - Internal SATA Backplane Enclosure - Lockable drive bay (HSB100SATBK) - Storage mobile rack - 3.5" - black - for P/N: 25SAT35HDD, 25SATSAS35HD

Hot-swap any 3.5in SATA hard drive easily from any computer with a 5.25in bay. This 3.5in SATA hard drive hot-swap bay allows you to 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 and easy drive removals and insertions as part of a system building process, or integration into rackmount systems or industrial environments.
To maximize performance and 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 a compatible controller.
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.
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 and versatility for enhanced storage applications.
Designed to provide a durable and reliable operating experience, the mobile rack features a 50,000+ insertion rating.

Hot-swap any 3.5in SATA hard drive easily from any computer with a 5.25in bay. This 3.5in SATA hard drive hot-swap bay allows you to 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.