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

Replace Power

Replace Power RPSU-C99-79 power supply

SKU CH-W902-7WXRJ MPN RPSU-C99-79

ATX power supply with one SATA, one ATX and one 12 V ATX connector, dual 115/230 V input and over-current protection

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight2.5
  • Replaces legacy eMachines models 3998, 4010, 4060, 4510, 4511, 4697
  • Switchable 115 / 230 V input suits global mains voltages
  • Reduced 5.9" depth fits compact ATX chassis easily
  • Over-current, over-power and over-voltage protection guards components
  • Single 80 mm fan delivers essential cooling airflow

Replacement PSU for Legacy eMachines

This ATX power supply replaces the original unit in eMachines T3998 T4010 T4060 T4510 T4511 T4697 desktops. It delivers standard ATX connectivity with a 20+4 pin motherboard connector, a 12V ATX connector, one SATA connector, two large peripheral connectors and one small peripheral connector. The grey enclosure measures 5.9 inches by 3.4 inches and weighs 2.5 units.

Upgrade from Failed or Aging Original Unit

The unit replaces several older legacy power supplies that have failed or become unstable over time. A switchable 115/230 V input matches the original voltage selector, while an 80 mm fan provides active cooling. Over current, over power and over voltage protection circuits help safeguard connected components. The reduced depth improves fit inside compact chassis where the original supply was installed.

Handles Basic Desktop Loads with Standard Connectors

The connector set comfortably powers a motherboard, one SATA drive and two legacy IDE or molex devices simultaneously. It is not suited for builds that require multiple SATA devices, PCIe graphics power or higher total wattage than the original specification. Buyers needing additional SATA ports, dedicated GPU cables or greater headroom for modern components should look elsewhere.

Highlights

  • Replaces legacy eMachines models 3998, 4010, 4060, 4510, 4511, 4697
  • Switchable 115 / 230 V input suits global mains voltages
  • Reduced 5.9" depth fits compact ATX chassis easily
  • Over-current, over-power and over-voltage protection guards components
  • Single 80 mm fan delivers essential cooling airflow

Specifications

BrandReplace Power
ModelRPSU-C99-79
ColorGrey
TypeATX
Fans1
Weight2.5

Questions about this item

Will the RPSU-C99-79 fit in a case limited to 5.9 inches depth?

The unit depth is 5.9 inches, height 3.4 inches, and it weighs 2.5 kg, so it matches standard ATX mounting points.

Which cables must be connected during installation to avoid a no-post condition?

Attach the 20+4 pin ATX connector, the 12V ATX connector, the SATA connector, both large power connectors, and the 6-inch small power connector; the common error is leaving the 12V ATX lead unplugged.

When should the 80 mm cooling fan be cleaned or the unit replaced?

Clean the 80 mm fan intake every 12 months; replace the supply if voltages drift outside spec or the fan becomes noisy.

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