Replacing the cable assembly is a cold-service procedure that must be performed by qualified service personnel. The server must be completely powered down before performing this procedure.
Press each latch, then pull out to disengage the cable from each connector.
See Remove the SAS Drive Signal Cable and Remove HBA SAS Cables.
See Remove the Air Duct.
Carefully remove the NVMe cable bundle from the server. Be careful not to snag the cables on the server components.