Fujitsu PRIMERGY TX300 S8 Upgrade And Maintenance Manual page 536

Accessible drives
Figure 408: Backup drive mounting brackets
Figure 409: Screw holes on backup drive mounting brackets
Ê Note the screw hole description stamped onto the mounting bracket:
Ê Use the square screw hole for RDX backup drives (see blue arrow).
Ê Use the round screw holes for DAT72 backup drives (see orange arrow).
536 Upgrade and Maintenance Manual
TX300 S8 / RX350 S8