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Rectangular metal power supply unit with fan grille and multiple cable connectors

myVolts

myVolts L265EM-00 265W Power Supply Dell Optiplex 390 790 990 MT

SKU CH-KKXD-MM5YC

265W replacement power supply with 24-pin ATX, 4-pin ATX and four Sata connectors for Dell Optiplex 390, 790 and 990 Mini Tower systems

  • 265W output powers Dell Optiplex 390 790 990 MT systems
  • 100-240V AC input works worldwide without a voltage switch
  • Four Sata power connectors support multiple drives and peripherals
  • 24-pin ATX plus 4-pin ATX connectors match motherboard requirements
  • Replaces OEM part numbers YC7TR 9D9T1 GVY79 053N4 D3D1C

265 W replacement for OptiPlex MT

This 265 W power supply replaces the original unit in Dell OptiPlex 390, 790 and 990 Mini Tower systems. It matches part numbers including L265EM-00, F265EM-00 and YC7TR. The unit is supplied new and ready to install.

Fits MT chassis with standard ATX and SATA

The supply provides a 24-pin ATX connector, a 4-pin ATX connector and four 4-pin SATA power leads. It accepts 100-240 V AC input at 50-60 Hz and delivers up to 265 W DC output. Installation requires a Mini Tower case; DT, SFF and USFF form factors are not compatible.

For owners of listed OptiPlex towers needing

Buyers with an OptiPlex 390, 790 or 990 Mini Tower can use this as a like-for-like replacement. Systems in smaller form factors or models outside the listed series will not fit this unit.

Highlights

  • 265W output powers Dell Optiplex 390 790 990 MT systems
  • 100-240V AC input works worldwide without a voltage switch
  • Four Sata power connectors support multiple drives and peripherals
  • 24-pin ATX plus 4-pin ATX connectors match motherboard requirements
  • Replaces OEM part numbers YC7TR 9D9T1 GVY79 053N4 D3D1C

Specifications

No published specifications for this item yet.

Questions about this item

Will the 265W output handle a full load continuously?

The unit is rated for 265W maximum DC output, so it can deliver that power as long as the connected components stay within the limit.

Does the power supply run hot or loud under load?

It uses standard cooling for a Mini Tower chassis; the fan spins up when internal temperatures rise during extended use.

Which Dell OptiPlex models accept this PSU?

It fits Dell OptiPlex 390, 790 and 990 Mini Tower systems only; it is not compatible with DT, SFF or USFF form factors.

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