
Dell
Dell F255E-01 255W Power Supply Replacement - Optiplex
A direct-fit 255W replacement power supply for Dell OptiPlex 580, 760, 780, 960, and 980 desktops.
$58.02*
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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.
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Overview
Specifications
Brand
Dell
Model
F255E-01 / D255P-00
Dell Part Number
RM110
Maximum Output Power
255W
Compatible Systems
Dell OptiPlex 580, 760, 780, 960, 980 DT
Connectors
Standard Dell Desktop Power Connectors
Condition
Used
Included Accessories
None (power supply unit only)
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View on Amazon →Frequently Asked Questions
Which Dell OptiPlex models is this F255E-01 power supply compatible with?
It is compatible with the Dell OptiPlex 580, 760, 780, 960, and 980 desktop (DT) form factor models.
Is this power supply new or used?
This is a used unit. It has been pulled from a working system but does not come with additional cables, accessories, or software.
Does this power supply use standard ATX connectors?
It uses Dell's standard desktop power connectors for the OptiPlex DT form factor. These are proprietary to Dell and are not interchangeable with standard ATX power supplies.
What is the Dell part number for this unit?
The Dell part numbers associated with this power supply are F255E-01, D255P-00, and RM110.