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Compact TFX power supply unit with 80mm cooling fan and multiple cable connectors

myVolts

myVolts TFX Power Supply 320W for Dell Delta DPS-250AB-28 B

SKU CH-F9R0-79QVF

TFX 320 W power supply replaces Dell Delta DPS-250AB-28 B units in slimline and small-form-factor desktops

  • TypeAT
  • Delivers 320 W steady power for reliable desktop operation
  • TFX form factor fits slimline and small-form-factor Dell cases
  • Replaces 200 W, 250 W, 300 W or 350 W units with higher capacity
  • 20+4 pin, 4-pin CPU, 2× Molex, floppy and 2× SATA connectors cover legacy and modern drives
  • 80 mm fan and 100/240 V input provide quiet cooling and worldwide voltage compatibility

Dell Delta DPS-250AB-28 B Replacement

This TFX power supply delivers 320 W of continuous power for Dell desktops that originally used the Delta DPS-250AB-28 B unit. It is built for small-form-factor and slimline chassis where a standard ATX supply will not fit. The 20+4 pin motherboard connector, 4-pin CPU connector, two Molex, one floppy and two SATA connectors cover the typical drives and boards found in those systems. An 80 mm fan handles cooling while the unit accepts 100 to 240 V input for worldwide use.

Fits Slimline And SFF Builds

The TFX form factor slides directly into the narrow bays used by many Dell OptiPlex, Inspiron and Vostro models, freeing the builder from hunting for a rare proprietary unit. Its connector set supports a motherboard, processor, a pair of SATA drives, legacy Molex devices and a floppy drive if one is still present. Because the supply is rated for 320 W, it can handle a modest graphics card or extra storage without exceeding the chassis power budget.

Upgrades 200 250 300 350 Watt Units

Replacing an original 200, 250, 300 or 350 W supply with this 320 W model adds headroom for additional drives or a low-profile GPU while keeping the same TFX footprint. The jump is worthwhile when the old unit has failed, runs loud or cannot sustain load during upgrades. It will not suit systems that require a higher-wattage TFX design or proprietary Dell pin-outs beyond the Delta DPS-250AB-28 B specification.

Puncte forte

  • Delivers 320 W steady power for reliable desktop operation
  • TFX form factor fits slimline and small-form-factor Dell cases
  • Replaces 200 W, 250 W, 300 W or 350 W units with higher capacity
  • 20+4 pin, 4-pin CPU, 2× Molex, floppy and 2× SATA connectors cover legacy and modern drives
  • 80 mm fan and 100/240 V input provide quiet cooling and worldwide voltage compatibility

Specificații

TypeAT

Întrebări despre acest articol

What is the continuous output limit of the 320 W TFX unit under sustained load?

The power supply delivers a steady 320 W continuous output for sustained use.

How loud and hot does the 80 mm fan get when the PSU runs all day?

An 80 mm cooling fan handles airflow to keep temperatures stable during extended operation.

Which motherboard and CPU power connectors must my system already have for this TFX supply to work?

It requires a 20+4 pin motherboard connector and a 4-pin CPU connector on the board.

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