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New Dell 275W SFF power supply unit for Optiplex GX620 740 745 755

DELL

DELL 275W SFF Power Supply Optiplex GX620 740 745 755

SKU CH-H3DS-RVFMS

A 275 W SFF power supply compatible with Dell OptiPlex GX620, 740, 745 and 755 desktops

  • Product weight1
  • 275 W output powers OptiPlex SFF builds
  • New unit replaces failed PSU without modification
  • Fits GX620 740 745 755 chassis directly
  • Multiple Dell part numbers covered in one SKU

275 W SFF PSU for Dell OptiPlex

This 275-watt small-form-factor power supply is built for Dell OptiPlex GX620, 740, 745 and 755 SFF chassis. It replaces Dell part numbers H275P-00, N275P-00, RM117, G185T, YD080, WU142 and N220P-01. The unit ships new and weighs 5.1 units.

Compatibility limited to listed OptiPlex SFF models

The PSU fits only the OptiPlex GX620, 740, 745 and 755 small-form-factor desktops identified in the part-number list. Builders using full-size towers, other brands or later OptiPlex generations cannot use this unit. No other wattage or form-factor variants are covered by this part.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $49.99
Cheaper than about 87% of the 3,798 comparable items (median $131.99).

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Specifications

Product
Brand nameDELL

Questions about this item

What does the 275 W rating actually deliver in a GX620 SFF build?

The 275 W unit powers the motherboard, CPU and any installed drives in a GX620 small-form-factor chassis without exceeding its rated output.

Which connector standard does the PSU use and what does it limit?

It uses the Dell proprietary pinout for Optiplex SFF models, limiting upgrades to components that fit the same connector layout.

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