Skip to main content

Install a T4 filler

Follow the instructions in this section to install a T4 filler.

About this task

moving parts
Hazardous moving fan blades nearby. Keep fingers and other body parts away.
240VA shock hazard

Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with metal, which might result in spattered metal, burns, or both.

  • Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

  • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.

A T4 filler is required to be installed onto the server cover for proper cooling and airflow when one or more A2/L4 GPU adapters are installed.

See GPU installation rules for detailed information about the technical rules for GPU installation.


  1. Locate the corresponding location on the bottom of the server cover for the applicable PCIe slot.
  2. Wipe the surface with an alcohol cleaning pad.
    Figure 1. Cleaning surface
    Cleaning surface
  3. Peel away the plastic and apply the T4 filler. Make sure the T4 filler is aligned to the 1 corner mark.
    Make sure the alcohol has fully evaporated before applying the new T4 filler.
    Figure 2. Installation of a T4 filler
    T4 filler installation

After you finish

  1. Reinstall the server cover. See Install a server cover.

  2. Complete the parts replacement. See Complete the parts replacement.

Demo video