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Grey reduced-depth ATX power supply with 80mm fan and fixed cables

Replace Power

Replace Power ATX power supply 280 W 420 W reduced depth grey

SKU CH-C7F1-QAX05

Reduced-depth ATX power supply delivering 280 W continuous and 420 W peak with 20+4-pin, SATA, Molex and 4-pin CPU connectors

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight4
  • Fits tight cases with 5.86 inch depth
  • Delivers stable power through low ripple and noise
  • Connects modern drives via three SATA connectors
  • Powers legacy hardware with Molex and floppy leads
  • Runs on worldwide mains from 110 to 220 volts

Replacement ATX PSU for legacy Dell desktops

This 280 W continuous, 420 W peak ATX supply is built with reduced depth so it fits older Dell chassis such as the E310, E510, E520 and E521. A single 80 mm fan handles cooling while the unit delivers +5 V, −5 V, +12 V1, +12 V2, +3.3 V, −12 V and +5 V SB rails.

Upgrade from failed or noisy OEM units

It replaces the original CX305N-00 or D5032 brick when that unit fails, runs loud or can no longer hold voltage under load. The jump is worth it when the system still meets daily tasks but the factory supply has degraded beyond reliable operation.

Check connector count

Verify the motherboard needs a 24 (20+4) pin and a single 4-pin CPU connector, plus three SATA, two Molex and one floppy lead. Confirm the 5.86" depth clears internal cables or drive cages, and that 110/220 V auto-switching matches the local mains.

Points forts

  • Fits tight cases with 5.86 inch depth
  • Delivers stable power through low ripple and noise
  • Connects modern drives via three SATA connectors
  • Powers legacy hardware with Molex and floppy leads
  • Runs on worldwide mains from 110 to 220 volts

Caractéristiques

BrandReplace Power
ModelDell CX305N-00 D5032 E520 E521 E310 E510 MC164
ColorGrey
TypeATX
Fans1
Weight4

Questions sur cet article

Will the 5.86 inch depth fit my Dell E520 case?

The unit measures 5.86 inches deep, shorter than a standard ATX supply, so it fits Dell E520, E521, E310 and E510 chassis without protruding.

Which screw holes line up when I swap the old CX305N-00 unit?

It uses the standard ATX mounting pattern; remove the four rear case screws, slide the new supply in, and reuse the same screws — do not force the 20+4 pin connector if the latch faces the wrong way.

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