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Rectangular AT power supply unit with matte metal casing and integrated cables visible

myVolts

myVolts 420 W AT Power Supply 5.86" x 3.3

SKU CH-QXS8-VR5NG

AT power supply delivering 420 W max and 280 W total with reduced depth for tight cases

  • TypeAT
  • Reduced depth fits tight cases
  • 86" x 3.3" compact form factor
  • 420 W peak power handles demanding loads
  • 280 W continuous output for stable operation
  • 24-pin ATX plus SATA and Molex connectors included

Compact AT Replacement PSU

This 420 W AT power supply replaces Hipro HP-A2027F3 and HP-D2537F3R units in HP, Dell and Compaq desktops. Its reduced depth of 5.86" x 3.3" fits standard ATX slots without extending as far as traditional PSUs. The unit delivers 280 W total continuous power across +5 V, -5 V, +12 V1, +12 V2, +3.3 V, -12 V and +5 V-SB rails.

80 mm Fan Cooling & Low Ripple

An 80 mm fan provides active cooling for stable, long-life operation while maintaining low ripple and noise. The PSU accepts 110/220 V AC input at 47–63 Hz and meets Hi-Pot, RoHS and CE standards. Hold-up time is 17 ms at nominal input with a rise time under 70 ms.

Fixed Cable Harness With SATA Power

Built-in cables terminate in a 24-pin (20+4) ATX connector, one 4-pin CPU connector, three SATA 15-pin connectors, two Molex 4-pin connectors and one floppy 4-pin connector. This fixed harness covers motherboard, CPU, SATA drives, legacy IDE peripherals and floppy devices without modular cables.

Puntos fuertes

  • Reduced depth fits tight cases
  • 86" x 3.3" compact form factor
  • 420 W peak power handles demanding loads
  • 280 W continuous output for stable operation
  • 24-pin ATX plus SATA and Molex connectors included

Especificaciones

TypeAT

Preguntas sobre este artículo

How do I install this reduced-depth AT power supply in a standard ATX slot without the 5.86" depth causing alignment issues?

Mount the unit in the ATX opening using the four case screws; the shorter 5.86" depth means the rear face sits further forward, so verify the IEC socket clears the case cut-out before tightening.

Which component will need replacement first on this 420 W max unit with an 80 mm fan?

The 80 mm cooling fan is the primary wear item; expect bearing noise or reduced airflow after several years of continuous operation.

What limit appears first when running this supply at sustained load given the 280 W total-wattage rating?

The 280 W combined output cap is reached before the 420 W peak figure, so continuous draws above 280 W will trigger protection shutdown.

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