Easily connect and hot swap dual 25 and 35 satasas hard drives from a 525 bay the hsb2535satbk removable 2 drive backplane lets you quickly install and hot swap drives from the front of your computer by turning a 525 bay into a hot swappable satasas interface for you to connect a 35 sata hard drive hdd andor a 25 sata hard drive or solid state drive ssd the hard drive bay interfaces with satasas offering two trayless hard drive bays and can be mounted into any 525 fr