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255W SFF Small Chassis Replacement Power Supply Compatible For Dell OptiPlex 3020 7020 9020 SFF Host, OEM Part AC255ES-00 D255AS-00 Internal Desktop Switching Power Supply Unit
- 255W SFF power supply specially designed for Dell OptiPlex 3020, 7020, 9020 small form factor desktops
- Compatible original model numbers: AC255ES-00 and D255AS-00
- Identical size, cable harness, 8+4Pin connectors as original for direct plug-and-play replacement
- 100-240V wide AC input with OVP, OCP and short-circuit multi-layer safety protection
- Fully power-on aging tested before shipment, stable output for long continuous office operation
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This 255W small form factor switching power supply is a perfect replacement for Dell OptiPlex 3020, 7020 and 9020 SFF desktop hosts, matching OEM part AC255ES-00 and D255AS-00.
The physical dimensions, wiring layout and pin definition are fully consistent with the original PSU. No chassis modification required when replacing faulty, noisy or non-functional power supply. Built-in multiple protection circuits effectively prevent hardware damage caused by abnormal power fluctuations.
Equipped with built-in cooling fan for reliable heat dissipation under regular load. Every unit passes strict functional inspection to guarantee durable and steady performance.
Note: This power supply only fits SFF small chassis version. Please confirm your desktop chassis type and original power supply model number before ordering to avoid mismatches.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by USA-LXY Return Policy
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