Easily connect and hot swap up to three 35 satasas hard drives from two 525 bays the hsb3satsasba removable 3 drive backplane lets you quickly install and hot swap 35 drives from the front of your computer by turning two 525 bays into a hot swappable interface for you to connect up to three 35 sata or sas hard drives hdd for added versatility the hard drive bay can interface with sata iiiiii and sas iii hard drives an ideal accommodation for enterprise system application