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Grey ATX power supply unit with 80mm fan and fixed cables

Replace Power

Replace Power ATX power supply 280 W grey

SKU CH-8WW3-7EHD8

Compact 280 W ATX power supply with reduced depth for HP desktops, 24-pin motherboard connector, three SATA and two Molex connectors, 80 mm fan cooling

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight4
  • Fits standard ATX slots with reduced 5.86" depth for wider compatibility
  • Delivers 280 W total output with 420 W peak capacity for stable power
  • Single 80 mm fan provides reliable cooling for long-life operation
  • Includes 24-pin, 4-pin CPU, three SATA, two Molex and one floppy connector
  • Low ripple and noise with 17 ms hold-up time ensures clean voltage delivery

Replacement ATX supply for HP desktops

This Replace Power unit delivers 280 W continuous output with a 420 W peak rating and fits the HP A1253w, A1267c, A1268c, A1283w, A1300la and A1310n models. Its reduced depth of 5.86 inches helps it slide into tight chassis where a full-length ATX unit would not fit. An 80 mm fan provides cooling while keeping ripple and noise low. The unit ships new and carries ROHS and CE marks.

Suits owners restoring listed HP systems

It suits anyone replacing a failed original supply in one of the named HP desktops who needs the exact connector mix of 24-pin motherboard, 4-pin CPU, three SATA, two Molex and one floppy lead. Builders assembling a new custom system or upgrading a modern graphics card should look elsewhere because the 280 W continuous limit and lack of PCIe power connectors will not support current discrete GPUs or high-wattage CPUs. The fixed cable loom also rules out modular cable management.

Check chassis depth and connector needs

Before ordering, verify that your case can accommodate a supply 5.86 inches deep and that the motherboard uses a 20+4 pin main connector plus a 4-pin CPU plug. Confirm the AC mains in your region operates within 110 V or 220 V at 47 to 63 Hz, matching the unit's input range. Ensure the total system draw stays under 280 W continuous; the 420 W figure is a peak rating only.

Pontos fortes

  • Fits standard ATX slots with reduced 5.86" depth for wider compatibility
  • Delivers 280 W total output with 420 W peak capacity for stable power
  • Single 80 mm fan provides reliable cooling for long-life operation
  • Includes 24-pin, 4-pin CPU, three SATA, two Molex and one floppy connector
  • Low ripple and noise with 17 ms hold-up time ensures clean voltage delivery

Especificações

BrandReplace Power
ModelHP A1253w A1267c A1268c A1283w A1300la A1310n
ColorGrey
TypeATX
Fans1
Weight4

Perguntas sobre este artigo

What motherboard connector does the Replace Power ATX 280 W supply need to fit my board?

It uses a 24 (20+4) pin ATX connector that splits for older 20 pin sockets.

Will the shorter depth of this unit leave clearance for the drive cages in my older HP chassis?

At 5.86 inches deep it is shallower than standard ATX units, giving extra room for cables and drives.

How can I verify the fan is running correctly once the supply is installed?

The 80 mm fan spins whenever the PSU is powered; you can hear and feel airflow at the rear grille.

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