Brand: Dell · SKU: H255ES-01 · MPN: H255ES-01 · Category: Components
The H255ES-01 is a 255W TFX form factor power supply unit designed specifically for Dell OptiPlex Small Form Factor (SFF) desktop systems, including models OptiPlex 3020, 7020, 9020, and Precision T1700 SFF. It provides stable power output rated at 255W and supports universal input voltage from 100-240V AC at 50-60Hz. It features a P1 8-Pin ATX connector and a P2 4-Pin ATX connector for motherboard and CPU power. Some sources indicate it may be CE certified and have an 80 Plus Bronze efficiency rating, though this is not universally confirmed across all listed compatible SKUs. It is a non-modular unit with integrated fan cooling and includes protection features such as OTP, OVP, OCP, and SCP. It typically supports connections like standard SATA and slimline SATA.
| AC Input | 100-240V AC / 4.6A, 50-60Hz |
|---|---|
| DC Output | +12VA = 14A, +12VB = 13A, +12Vsb = 1.67A |
| Modularity | Non-Modular |
| Form Factor | TFX (for SFF systems) |
| P1 Connector | 8-Pin ATX |
| P2 Connector | 4-Pin 12V |
| Max. Output Power | 255W |
| Warranty | 30-Day Standard Warranty (CPU Medics as seller example); Availability of specific warranty terms depends on the retailer. |
| Weight | 5.00 lbs |
| Dimensions | 72mm x 62mm x 239mm |
A 255W TFX power supply designed as a replacement or upgrade for Dell OptiPlex SFF desktops (3020, 7020, 9020) and Precision T1700 SFF. It ensures stable power delivery with universal voltage input and includes essential protection circuitry.
Yes, this Dell H255ES-01 255-Watt Power Supply Unit (PSU) (H255ES-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.
This Dell H255ES-01 255-Watt Power Supply Unit (PSU) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
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.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the H255ES-01.