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Grey ATX power supply unit with single fan and cable bundle

Replace Power

Replace Power RPSU-C99-53 420W ATX power supply

SKU CH-34RY-STV6J MPN RPSU-C99-53

Grey ATX power module delivers 420W with switchable 110V or 220V input and 80mm cooling for Dell W8185 Media Center systems

  • ColorGrey
  • TypeATX
  • Fans1
  • Weight0.1
  • 420W output powers demanding desktop upgrades
  • Switchable 110V and 220V input suits global mains
  • Single 80mm fan cools the unit quietly
  • ATX form factor with 20-pin and 24-pin support fits standard cases
  • SATA, 12V ATX and large peripheral connectors cover drive and board needs

Dell Media Center replacement

This 420W ATX unit is built as a direct replacement for Dell W8185 Media Center systems including the m8167c, m8187c and m8407c models. It fits standard ATX cases and uses a single 80mm fan for cooling. The grey chassis keeps the original look while restoring reliable power to older desktops.

Input voltage and connector limits

The supply accepts 110V or 220V via a manual switch on the rear. It provides one 15-inch SATA connector, one 14-inch ATX connector that works with both 20-pin and 24-pin motherboards, one 14-inch 12V ATX connector, two 15-inch large power connectors and two 6-inch large power connectors. No PCIe or additional SATA leads are included.

Installation notes and common issues

Swapping the unit is straightforward: remove the old supply, align the ATX mounting holes and connect the fixed cables. The short 6-inch large connectors may not reach drives in full-size towers, and the single SATA lead limits modern storage upgrades. Builders needing more SATA or PCIe power should look elsewhere.

Highlights

  • 420W output powers demanding desktop upgrades
  • Switchable 110V and 220V input suits global mains
  • Single 80mm fan cools the unit quietly
  • ATX form factor with 20-pin and 24-pin support fits standard cases
  • SATA, 12V ATX and large peripheral connectors cover drive and board needs

Specifications

BrandReplace Power
ModelRPSU-C99-53
ColorGrey
TypeATX
Fans1
Weight0.1

Questions about this item

Which Replace Power RPSU-C99-53 variant should I pick for a Dell W8185 Media Center?

The single 420W ATX unit listed is the direct replacement for Dell W8185 Media Center m8167c m8187c m8407c models.

What does the 420W rating deliver inside a desktop?

It supplies up to 420W total across the 20- or 24-pin ATX connector, the 12V ATX connector, two large power connectors and one SATA connector.

What connectors does the ATX interface provide on this PSU?

One 14-inch 20- or 24-pin ATX connector, one 14-inch 12V ATX connector, two large power connectors and one 15-inch SATA connector.

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