The expansion tray provides for up to 14 additional fibre channel (FC) or Serial Advanced Technology Attachment (SATA) drives. An expansion tray is cabled directly to a controller tray and cannot operate independently.
You cannot mix FC and SATA disk drives within the same expansion tray. All drives within a single expansion tray must be the same type, either all FC drives or all SATA drives.
The controller tray has the following components:
The front and back views of the expansion tray are as follows: