Fujitsu PRIMERGY TX300 S8 Upgrade And Maintenance Manual page 278

Hard disk drives / solid state drives
Figure 184: 4x 3.5-inch HDD SAS backplane (A3C40125920)
Figure 185: Mounting the second 4x 3.5-inch HDD SAS backplane
Ê Fit the HDD backplane into the guide on the outer wall of the right HDD bay
(see close-up) and lower it into the bottom rim.
Ê Ensure that the 4x 3.5-inch HDD SAS backplane is properly seated in its
bay.
278 Upgrade and Maintenance Manual
TX300 S8 / RX350 S8