Ledgerware 6U Server Rack Mount Case Assembly Instructions Manual page 13

LEDGERWARE Assembly Instructions
Step 9: Attach GPU Safety Bar
This step is optional, but highly suggested to ensure the
safety of your GPUs during movement of the case.
Place the GPU Safety Bar across the top of the GPUs and align it with
the holes in the side of the case. Attach the GPU Safety Bar to the
sides of the case using the bar attachment screws that are included in
the accessories kit.
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6U Server Rack Mount Case