Dell EMC PowerEdge R750xs: Remove/Install PERC

How to remove and install a PERC.
DellEMC Quick Resource Locator video. Get immediate access to detailed how-to videos, documents, and solutions using your mobile device and a model specific QR code (Located on your on Dell Enterprise product).
To see more, visit www.Dell.com/QRL/
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[@Zenef]

It can be found in the back , not the front

[@JoseMartinezTj]

Where I can find that front Mounting bracket for that perc controller????