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Metal rectangular ATX power supply unit with single fan and switchable voltage selector

Replace Power

Replace Power RPSU-T3400 400W ATX power supply

SKU CH-YQW3-G0RXR MPN RPSU-T3400

A 400 W ATX power supply with a 20+4 pin connector, three SATA plugs and reduced depth for Dell Precision 380, 390 and T3400 workstations

  • TypeATX
  • Fans1
  • Weight1.5
  • 400 W output powers Dell Precision 380 390 T3400 workstations
  • 20+4 pin adapter fits both 20 and 24 pin motherboard sockets
  • Reduced 5.9" depth increases case compatibility
  • 110-260 V AC switchable input suits global mains voltages
  • Over current, over power, over voltage and short circuit protection built in

Compatible replacement for Dell Precision

This 400 W ATX power supply replaces the original unit in Dell Precision 380, 390 and T3400 systems. It delivers +3.3 V at 11 A, +5 V at 12 A and dual +12 V rails at 8 A each, with -12 V at 0.3 A and +5 VSB at 2 A. The 110-260 V AC switchable input covers global mains voltages.

Reduced-depth ATX chassis with 20+4 pin adapter

A built-in 20+4 pin connector supports both 24-pin and 20-pin motherboard headers. The shorter 5.9" x 3.4" x 4" enclosure increases case compatibility while a single fan provides cooling. Over-current, over-power, over-voltage and short-circuit protections guard connected hardware.

Three SATA power connectors and legacy headers

The bundle includes one P4 12 V 4-pin, three SATA 15-pin, two LP4 4-pin and one floppy 4-pin connector. This mix powers modern SATA drives and older peripherals without extra adapters. Operating temperature range is 0 °C to 50 °C at full load.

商品特色

  • 400 W output powers Dell Precision 380 390 T3400 workstations
  • 20+4 pin adapter fits both 20 and 24 pin motherboard sockets
  • Reduced 5.9" depth increases case compatibility
  • 110-260 V AC switchable input suits global mains voltages
  • Over current, over power, over voltage and short circuit protection built in

商品規格

BrandReplace Power
ModelRPSU-T3400
TypeATX
Fans1
Weight1.5

商品問答

What does the 20+4 pin ATX connector on the RPSU-T3400 support?

The built-in 20+4 pin adapter fits both 24-pin and 20-pin motherboard sockets, covering ATX form-factor requirements.

Will the RPSU-T3400 fit inside a Dell Precision T3400 chassis?

Its reduced depth of 4 inches and dimensions of 5.9" width by 3.4" height are designed for that workstation and standard ATX cases.

How do I set the input voltage on the RPSU-T3400 before installing it?

Use the 110-260V AC switch on the rear to match your local mains supply before connecting power.

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