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HP ProLiant ML350 G5 Server series - Removing and Replacing the Processor Power Module (PPM)


This document is provided to assist in removing and replacing the power processor module (PPM) for the HP ProLiant ML350 G5 Server series.


Minimum skill level

The End-User should possess product-specific knowledge and technical skill on how to service the system, and have familiarity with the operating system.


Tools required

  • A Torx screwdriver
  • A flathead screwdriver


Parts required

NOTE: Part numbers are subject to change.

The replacement part number will vary depending on the power processor module (PPM) that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP .

Part Number
Requires Return
Processor Power Module (PPM)
413980-001 (Modified)
NOTE: For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labelled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labelled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.


Summary of instructions

To view a video demonstrating the procedure for removing the power processor module (PPM), click on the link below. Or use the product video listing on the HP Services Media Library, then select power processor module (PPM) from the menu on the upper left hand side of the screen.

Click here to view the power processor module (PPM) removal video.

Power processor module (PPM) removal

  1. Review the safety considerations before performing the steps listed below by clicking on the following link:

    Click here to view the precautions.

    CAUTION: Failure to comply with the precautions could result in damage to your product or loss of data.
  2. Remove the power to the server.

  3. Remove the bezel.

  4. Remove the access panel.

  5. Lay the server on its side.

  6. Press the latches back on either side of the Processor Power Module.

  7. Pull the Processor Power Module up and out of server.

Power processor module (PPM) replacement

  1. Align the Processor Power Module.

  2. Press the Processor Power Module into the slot until the latches lock in place.

  3. Place the server upright.

  4. Replace the access panel.

  5. Replace the bezel.

  6. Replace power to the server.


Parts return

If your part requires return then click on the appropriate link below:

Click here for the defective parts return procedure for US .

Click here for the defective parts return procedure for Europe .


Legal Disclaimer: Products sold prior to the November 1, 2015 separation of Hewlett-Packard Company into Hewlett Packard Enterprise Company and HP Inc. may have older product names and model numbers that differ from current models.

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Document title: HP ProLiant ML350 G5 Server series - Removing and Replacing the Processor Power Module (PPM)
Document ID: emr_na-c01460110-3
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