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Grey ATX power supply unit with 80mm fan and built-in cables

Replace Power

Replace Power HP A1328x A1329x A1330e A1330n A1340n 280W power supply

SKU CH-AWAF-XRWRR

A reduced-depth ATX power supply with 280 W total output, 24-pin and 4-pin CPU connectors, three SATA and two Molex leads, plus one floppy connector, cooled by an 80 mm fan

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight4
  • Fits standard ATX slot with reduced depth for wider case compatibility
  • 280 W continuous output supports stable system operation
  • 80 mm fan provides reliable cooling for long service life
  • Low ripple and noise ensures clean power delivery to components
  • Multiple connectors include 24-pin, SATA, Molex and 4-pin CPU

Replacement for HP A1328x A1329x A1330e A1330n

This 280W ATX power supply is built as a direct replacement for the listed HP desktop models. It delivers 280 watts of continuous power with a 420W peak rating. The reduced-depth chassis fits standard ATX bays while leaving extra clearance for tight cases. An 80mm fan provides cooling for stable long-term operation.

Installation notes and common issues

The unit uses a standard 24-pin (20+4) motherboard connector, a 4-pin CPU connector, three SATA power leads, two Molex leads and one floppy lead. All cables are fixed, so cable routing space is limited in very small chassis. The shorter depth eases fitment but installers should verify that the 5.86-inch length clears drive cages or motherboard headers in their specific case.

Capacity and headroom

Continuous output is 280W across +3.3V, +5V, dual +12V rails, -12V and +5V standby. The 420W peak figure covers brief transients only. The supply suits office desktops with integrated graphics, a single hard drive and modest peripherals. It will not support a discrete graphics card or multiple drives drawing heavy +12V current.

Points forts

  • Fits standard ATX slot with reduced depth for wider case compatibility
  • 280 W continuous output supports stable system operation
  • 80 mm fan provides reliable cooling for long service life
  • Low ripple and noise ensures clean power delivery to components
  • Multiple connectors include 24-pin, SATA, Molex and 4-pin CPU

Caractéristiques

BrandReplace Power
ModelHP A1328x A1329x A1330e A1330e CTO A1330n A1340n
ColorGrey
TypeATX
Fans1
Weight4

Questions sur cet article

How can I confirm the PSU is working correctly after installing it in my HP A1330n?

The system should power on and remain stable under load; the built-in 80 mm fan will spin and the unit delivers +3.3 V, +5 V, ±12 V and +5 V standby rails within specification.

Which cables and connectors come attached to this 280 W replacement unit?

A fixed 24-pin (20+4) ATX connector, one 4-pin CPU plug, three SATA 15-pin leads, two Molex 4-pin leads and one floppy 4-pin lead are all integrated into the housing.

Should I choose the 420 W peak or 280 W continuous rating for my HP A1340n?

The continuous 280 W rating is the figure to match against your system's total power draw; the 420 W value is a short-term peak limit only.

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