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Silver rectangular server power supply unit with rear fan grille and power socket

WMtec

WMtec AC265AM-00 265W server power supply

SKU CH-95V8-9V8TJ MPN AC265AM-00

A 265W replacement unit for Dell OptiPlex 390, 3010, 790, 7010, 9010, 990 and Vostro 260, 270, 3900 desktops

  • 265W output powers compatible Dell desktops
  • Replaces Dell part numbers 9D9T1 GVY79 053N4
  • Fits OptiPlex 3010 7010 9010 390 790 990
  • Supports Vostro 260 270 3900 towers
  • Works with Inspiron 620 660 3847 systems

Server PSU for Dell OptiPlex and Vostro

This 265W unit is built for Dell OptiPlex 3010, 7010, 9010, 390, 790, and 990 towers as well as Vostro 260, 270, and 3900 desktops. It also fits Inspiron 620, 660, and 3847 systems. The supply replaces part numbers 9D9T1, GVY79, and 053N4.

Standard ATX connector layout for drop-in fit

The unit uses the familiar ATX pin-out found in the listed Dell chassis, so installation is a straight swap without adapter cables. Its metal enclosure and screw mounting points match the original bracket, keeping the power supply secure during moves or vibration.

265W continuous output with active cooling

Rated at 265W, the supply delivers steady power for typical office workloads and integrated graphics. An internal fan maintains safe temperatures under load, while the standard IEC inlet accepts common mains cords. Efficiency meets the requirements of the original Dell specifications.

Highlights

  • 265W output powers compatible Dell desktops
  • Replaces Dell part numbers 9D9T1 GVY79 053N4
  • Fits OptiPlex 3010 7010 9010 390 790 990
  • Supports Vostro 260 270 3900 towers
  • Works with Inspiron 620 660 3847 systems

Specifications

No published specifications for this item yet.

Questions about this item

What standard ATX connector layout does the AC265AM-00 use for Dell OptiPlex 3010 and 7010 motherboards?

The AC265AM-00 uses Dell's proprietary 24-pin main power connector and 4-pin CPU power connector layout, matching the pinout required by OptiPlex 3010, 7010, 9010, 390, 790, and 990 motherboards.

What chassis clearance and mounting hole pattern does the AC265AM-00 require for Dell MT cases?

The AC265AM-00 fits Dell MT chassis including OptiPlex 3010, 7010, 9010, 390, 790, 990, Vostro 260, 270, 3900, and Inspiron 620, 660, 3847 using the standard Dell MT power supply mounting bracket and screw pattern.

How do I install the AC265AM-00 in a Dell OptiPlex 7010 MT, and what step is commonly missed?

Remove the side panel, unscrew the old PSU from the rear bracket, slide it out, insert the AC265AM-00, secure the rear bracket screws, then connect the 24-pin motherboard and 4-pin CPU power cables — the step often missed is fully seating the 24-pin connector until the latch clicks.

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