The ICY DOCK flexiDOCK MB795SP-B combines a 3.5" and 2.5" hot-swappable HDD or SSD drive bay into a single external 5.25" bay. The tray-less design makes it hassle-free to install or remove 2.5" or 3.5" HDD/SSDs, simply slide in a bare drive and it's connected, there's never a need for tools or screws. When you're ready to eject your drive, the recessed front housing makes it easy to pull out your drive by hand, improving reliability with the simple and convenient design. Individual power switches let you shut down your drives with a single switch, protecting them from viruses and letting you select which drive to boot from by completely cutting power from the drives so they cannot be accessed until you are ready to use them.