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Rectangular metal server PSU, grey finish, 255W label

WMtec

WMtec 255W Server Power Supply for OptiPlex 3020 9020 7020 SFF

SKU CH-BH2H-DJN7P

255 W replacement PSU for OptiPlex 3020, 9020 and 7020 SFF, 100–240 V input

  • Fits OptiPlex 3020 9020 7020 SFF desktops
  • Delivers 255W maximum power for stable operation
  • Accepts 100-240V AC input for worldwide use
  • Draws 4.6A at 50-60Hz mains frequency
  • Replaces part numbers T4GWM VPMVK NT1XP FP16X YH9D7 3XRJ0

Compatible Dell OptiPlex SFF Replacement

This 255W power supply fits Dell OptiPlex 3020 9020 7020 small form factor desktops. It replaces part numbers T4GWM VPMVK NT1XP FP16X YH9D7 3XRJ0 and model numbers AC255AS-00 D255AS-00 L255ES-00 L255AS-00 H255AS-00 H255ES-00 AC255ES-00 HU255ES-00. The unit is new and rated for 255W maximum output.

Input Voltage Range and Frequency Limits

The PSU accepts AC input from 100V to 240V at 4.6A across 50Hz to 60Hz. This range covers standard mains supplies in most regions without manual switching. The 255W ceiling defines the total power available to all internal components combined. Systems with many drives or add-in cards may exceed this budget.

Check Form Factor and Part Number Match

Verify the chassis is a small form factor OptiPlex 3020 9020 or 7020 before ordering. Tower or micro versions use different PSU shapes and connectors. Confirm the existing unit carries one of the listed part or model numbers to ensure connector pinout and mounting holes align.

Highlights

  • Fits OptiPlex 3020 9020 7020 SFF desktops
  • Delivers 255W maximum power for stable operation
  • Accepts 100-240V AC input for worldwide use
  • Draws 4.6A at 50-60Hz mains frequency
  • Replaces part numbers T4GWM VPMVK NT1XP FP16X YH9D7 3XRJ0

Specifications

No published specifications for this item yet.

Questions about this item

Which Dell OptiPlex SFF models does this 255 W power supply replace?

It fits the OptiPlex 3020, 9020 and 7020 small-form-factor chassis and replaces Dell part numbers T4GWM, VPMVK, NT1XP, FP16X, YH9D7 and 3XRJ0.

What does the 255 W rating mean for a typical OptiPlex SFF build?

The unit delivers up to 255 watts of continuous DC power, enough for the standard CPU, integrated graphics, memory and storage in these SFF systems.

Will the PSU auto-switch between 100 V and 240 V mains?

Yes, the input range is 100-240 V at 4.6 A, 50-60 Hz, so it operates worldwide without a voltage selector switch.

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