Dell L255P-01 255W Power Supply Unit for OptiPlex 760 780 960
Brand: Dell · SKU: L255P-01 · MPN: L255P-01 · Category: Components
Dell L255P-01 is a 255W internal power supply designed for compatible OptiPlex desktop systems, featuring 100-240V AC input, 24-pin Micro ATX, SATA, FDD, and 4-pin connectors.
Specifications
| Memory | DIMMs not included with specified SP assembly |
|---|---|
| Application | Desktop Computer Power Replacement |
| Form Factor | ATX (Micro ATX mentioned in one source) |
| Compatibility | Dell OptiPlex 760, 780, 960, 790, 980 |
| Input Voltage | 100-240V AC |
| Connector Type | 24-Pin ATX |
| Max. Output Power | 255 Watts |
| Part Number / MPN | L255P-01 |
| Warranty | 3-Year Warranty |
| Weight | 5 LBS (Varies by retailer) |
| Dimensions | 125mm x 135mm x 100mm (Approximate) |
Key Features
The Dell L255P-01 255W Power Supply Unit (PSU) , part number L255P-01 , is an internal desktop power supply designed for compatible Dell OptiPlex systems. It provides up to 255 watts of output power and is commonly used with OptiPlex 760, 780, and 960 desktop configurations. The L255P-01 uses a proprietary Dell desktop power design and supports a 100-240V AC input range , allowing it to operate across standard international mains voltages. Its 255W output is intended to provide stable power for compatible OptiPlex desktop components and peripherals. For system connectivity, the power supply features a 24-pin Micro ATX motherboard connector , a 4-pin ATX +12V connector , two SATA power connectors , and an FDD connector . This connector configuration is particularly important when replacing a failed PSU in an older Dell OptiPlex system because the L255P-01 is designed for specific Dell chassis and motherboard configurations. The Dell L255P-01 is also associated with several Dell and manufacturer reference numbers, including T164M, WU123, N249M, FR597, CY826, RM110, and D390T . These references can help identify compatible repla
Frequently Asked Questions
Is this product genuine OEM?
Yes, this Dell L255P-01 255W Power Supply Unit for OptiPlex 760 780 960 (L255P-01) is 100% genuine Dell hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
What warranty is included?
This Dell L255P-01 255W Power Supply Unit for OptiPlex 760 780 960 includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
How long does shipping take?
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Can I return this product?
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Is the Dell L255P-01 255W Power Supply Unit for OptiPlex 760 780 960 compatible with my system?
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the L255P-01.
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