3.5" Tray-Less Dual 2.5" SATA HD Hot-Swap Bay ID#: HSB220SAT25B Based on the same easy swap mechanism and design of the top selling HSB100SATBK, the HSB220SAT25B is a 3.5" SATA hard drive hot-swap bay that allows you to install up to Two 2.5" SATA drives in an available/unused 3.5" floppy drive bay. The convenient no mounting required /easy eject feature (like a tape cartidge or floppy disk) makes it the ideal solution for quick and easy drive removals and insertions as part of a system building process, or with rackmount systems or in 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 HSB220SAT25B provides everything you need to expedite important projects. The StarTech.com Advantage • 50000 times insertion/removal cycle • Supports two 2.5" SATA hard drives and fits into any standard 3.5" drive bay Features • 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 3.0 Gbps • Swinging latch able door makes it easy for inserting or removing hard drives Applications • IT environments where you just need to quickly insert/replace removable hard drive • Imaging - For System Builders or configuring new systems - Use Hot Swap Bay in master system to copy Windows OS quickly to blank hard drive as part of system building process • Ideal for RAID applications (with RAID supported SATA controller)