Dell EMC PowerEdge XE8545 Installation And Service Manual page 56

c. Lower the GPU assembly handle to ensure the clips that are connected and the GPU assembly is secured.
NOTE: This action also helps in seating the GPU assembly with the GPU connectors in the system.
Figure 51. Locking the GPU assembly handle
5. Connect the GPU power cable to the connector in the GPU assembly.
6. Align the GPU tray stopper to the chassis, and tighten the captive screws to secure the stopper.
Figure 52. Installing the GPU tray stopper
7. Align and install the GPU tray handles to the GPU tray and lock the plungers for the GPU tray handles and the GPU tray
stopper.
56 Installing and removing system components