• Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configurationinformation.• If one or more NVMe solid-state drives are to be removed, it is recommended to disable them beforehandvia the operating system.ProcedureStep 1. Make preparation for the task.a. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to thetop cover, or remove the server from the rack. See “Remove the server from rack” on page 63.b. Remove the top cover. See “Remove the top cover” on page 277.c. Disconnect cables from the rear drive backplane.d. Remove all the installed drives and fillers (if any) from the drive bays. See “Remove a hot-swapdrive” on page 133.Step 2. Remove the rear drive cage.Figure 192. Removing the 4 x 3.5-inch rear drive cagea. Twist and pull out the blue plungers.b. Slide the drive cage towards the rear of the chassis to release it, and lift the drive cage outof the chassis.Step 3. Remove the rear drive backplane.224 ThinkSystem SR665 V3 User Guide