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Grey metal ATX power supply unit with single fan visible on rear face

Replace Power

Replace Power RPSU-b110-300 420W ATX power supply

SKU CH-FD2Z-8T6BJ MPN RPSU-b110-300

A 420W ATX power supply with reduced depth, built-in 20+4 pin adapter and multiple protection circuits for compatible Dell Dimension, Optiplex, PowerEdge and Workstation systems

  • TypeATX
  • Fans1
  • Weight1.5
  • Delivers 420 W for demanding legacy Dell systems
  • 20+4 pin adapter fits both 20-pin and 24-pin motherboards
  • Reduced 4-inch depth installs in tight chassis spaces
  • OVP, OCP, OPP and short-circuit protection safeguard components
  • Switchable 110-260 V AC input works worldwide

Replacement PSU for Dell Dimension and Optiplex

This 420W ATX power supply replaces legacy units in Dell Dimension B110, 1100, 2200, 2300, 2350, 2400, 2450, 3000, 4300, 4400, 4500, 4550, 4600, 8200, 8250, 8300 and Optiplex 170l, gx50, gx60, gx150, gx240. It also fits Poweredge 400sc, 600sc and Workstation 210, 220, 340, 350, 400. The unit weighs 1.5 kg.

Upgrade from lower-wattage legacy units

The supply steps up to 420 watts from older, lower-rated power supplies. A built-in 20+4 pin adapter lets the same cable serve 20-pin and 24-pin motherboards. Protection circuits cover over-current, over-power, over-voltage and short-circuit events. The 110-260V AC switchable input suits different mains voltages.

Compact depth for tight chassis

Reduced depth of 4 inches (5.9" height x 3.4" width x 4" depth) helps the unit fit small-form-factor cases where standard ATX units are too long. A single fan provides cooling. The ATX form factor keeps mounting holes and connector layout standard. Builders needing more than 420 watts or modular cabling should look elsewhere.

Pontos fortes

  • Delivers 420 W for demanding legacy Dell systems
  • 20+4 pin adapter fits both 20-pin and 24-pin motherboards
  • Reduced 4-inch depth installs in tight chassis spaces
  • OVP, OCP, OPP and short-circuit protection safeguard components
  • Switchable 110-260 V AC input works worldwide

Especificações

BrandReplace Power?
ModelRPSU-b110-300
TypeATX
Fans1
Weight1.5

Perguntas sobre este artigo

Will the 5.9 inch height, 3.4 inch width and 4 inch depth fit my Dell Dimension 3000 case?

The reduced-depth chassis measures 5.9 inches high, 3.4 inches wide and 4 inches deep, matching the ATX form factor used in the listed Dimension models.

How do I connect the 20+4 pin adapter to a 20 pin motherboard, and what step is often missed?

Plug the 20 pin portion into the board and leave the extra 4 pins unconnected; the common mistake is forcing the full 24 pin block onto a 20 pin socket.

When should I replace the single internal fan in this 420 watt unit?

Replace the fan when bearing noise appears or airflow drops, typically after several years of continuous operation.

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