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Grey ATX power supply unit with 80mm fan and reduced depth

Replace Power

Replace Power RPSU-C99-29 ATX power supply

SKU CH-KYD0-PTJNS MPN RPSU-C99-29

ATX replacement power supply fits Compaq Presario SR1807CL, SR1810NX, SR1811NX and SR1815LA desktops with switchable 115/230 V input and reduced 5.9" depth

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight2.5
  • Direct replacement for Compaq Presario SR1807CL SR1810NX SR1811NX SR1815LA models
  • Switchable 115/230 V input suits different mains voltages worldwide
  • Reduced depth of 5.9 inches height by 3.4 inches width fits tight legacy cases
  • Over-current over-power and over-voltage protection guards connected components
  • Single 80 mm fan with SATA ATX 12V and multiple peripheral connectors included

Direct replacement for Compaq Presario desktops

This ATX power supply replaces the original unit in Compaq Presario SR1807CL SR1810NX SR1811NX SR1815LA systems. It delivers the standard connectors those motherboards expect including one SATA connector one ATX power connector one 12V ATX power connector two large power connectors and one six inch small power connector. Builders restoring or upgrading these legacy PCs can install it without adapter cables.

Thermals noise and power draw in normal use

The unit draws either 115 V or 230 V input selected by a manual switch on the rear. A single 80 mm fan provides cooling while the grey steel enclosure measures 5.9 inch height by 3.4 inch width giving reduced depth for tighter cases. Over current over power and over voltage protection circuits guard connected components during load changes.

Connectors and compatibility notes

The bundled cable set covers the motherboard power a single SATA drive and the legacy large and small peripheral plugs used by these Presario models. No modular cables or software utilities are included. Systems requiring additional SATA devices multiple 12V CPU connectors or PCIe graphics power will need a different supply.

Points forts

  • Direct replacement for Compaq Presario SR1807CL SR1810NX SR1811NX SR1815LA models
  • Switchable 115/230 V input suits different mains voltages worldwide
  • Reduced depth of 5.9 inches height by 3.4 inches width fits tight legacy cases
  • Over-current over-power and over-voltage protection guards connected components
  • Single 80 mm fan with SATA ATX 12V and multiple peripheral connectors included

Caractéristiques

BrandReplace Power
ModelRPSU-C99-29
ColorGrey
TypeATX
Fans1
Weight2.5

Questions sur cet article

How do I install the RPSU-C99-29 and which step is often missed?

Mount the 5.9" x 3.4" unit with four screws, set the 115 / 230 V switch to match mains voltage, then connect the 20+4 pin ATX, 12V ATX, SATA and LP4 leads; the step often missed is flipping the voltage selector before first power-on.

What maintenance or replacement will the RPSU-C99-29 need later?

Clean the 80mm fan intake every few months to prevent dust build-up; the unit has no user-serviceable parts, so replace the whole supply if voltages drift or the fan becomes noisy.

What limit appears first on the RPSU-C99-29 during sustained load?

The 80mm fan and compact 5.9" depth restrict airflow, so thermal protection will trigger before the over-current or over-voltage circuits under continuous high draw.

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