Remove the rear air baffle

Follow instructions in this section to remove the rear air baffle.

Procedure

1. Make preparation for this task.
   1. Remove the front top cover. See Remove the front top cover.
   2. Remove the FHFL risers if necessary. See Remove a PCIe riser.
2. If a flash power module is installed on the front air baffle, disconnect the flash power module cable from the extension cable.
   Figure 1. Flash power module cable disconnection
   
   
3. If the M.2 backplane is installed on the front air baffle, disconnect the M.2 backplane cables from the M.2 backplane.

   • SATA/NVMe or NVMe M.2 backplane

     1. Loosen the screw on the signal cable.
     2. Tilt the connector and remove it.
     3. Remove the power cable.
        Figure 2. SATA/NVMe or NVMe M.2 backplane cable disconnection
        
        

   • SATA/x4 NVMe M.2 backplane

     Disconnect the M.2 backplane cables from the M.2 backplane.

     Figure 3. SATA/x4 NVMe M.2 backplane cable disconnection
     
     

   • RAID SATA/NVMe M.2 backplane

     1. Unhook the wire bail on the cable from the connector.
     2. Disconnect the cables from the M.2 backplane.
        Figure 4. RAID SATA/NVMe M.2 backplane cable disconnection
        
        
4. Disconnect all PCIe riser cables from the system board assembly.
   Attention

   To avoid damaging the system board assembly, make sure to follow the instructions in Internal cable routing when disconnecting cables from the system board assembly.

5. Remove the rear air baffle.
   1. Slightly push the right and left blue tabs inward toward the center of the server.
   2. Lift the rear air baffle and remove it from the chassis.
      Figure 5. Rear air baffle removal

      Attention

      For proper cooling and airflow, reinstall the front air baffle and the rear air baffle before you turn on the server. Operating the server with the air baffle removed might damage server components.

      Note

      The rear air baffle might look different from the illustration.