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Red AT power supply unit, rectangular metal casing, rear fan grille, side voltage switch, bundled power cord

myVolts

myVolts Atx400W 400W AT power supply

SKU CH-8QHP-51DSY MPN Atx400W

A 400 W AT power supply with manual 115/230 V switching, a 12 cm thermally controlled fan and a 1.1 m mains cord

  • TypeAT
  • Quick, easy installation with clear connectors
  • Low energy use and quiet operation for basic desktops
  • Flexible 115V or 230V manual voltage switching
  • Automatic fan control via internal thermal sensor
  • 1 metre power cord included for daily needs

400 W AT power supply

The myVolts Atx400W is a 400 W AT-type power supply built for low-energy desktop systems. It delivers power through a 20 + 4 pin motherboard connector, a 4 + 4 pin CPU connector, two fan headers and a 6 + 2 pin video card connector. A 1.1 m mains cord is included in the box.

Basic desktop builders and office upgrades

This unit suits builders assembling a quiet, low-consumption office PC or replacing a failed AT supply in an older chassis. It is not for systems that require active PFC, efficiencies above 80 %, or higher wattage for multi-GPU configurations.

Straightforward AT installation

The keyed connectors and clear labelling make installation quick and effective for anyone familiar with AT wiring. The 115/230 V manual switch must be set to match the local mains voltage before power-on; an incorrect setting will prevent operation or damage the unit. The thermal sensor controls the 12 cm fan speed automatically, so no software setup is required.

Pontos fortes

  • Quick, easy installation with clear connectors
  • Low energy use and quiet operation for basic desktops
  • Flexible 115V or 230V manual voltage switching
  • Automatic fan control via internal thermal sensor
  • 1 metre power cord included for daily needs

Especificações

TypeAT

Perguntas sobre este artigo

Does the power supply include a mains lead or must I supply my own?

The box contains a 1.1 metre mains cord, so no separate cable is required.

Will the 20+4-pin ATX and 4+4-pin CPU connectors fit an older AT-style motherboard?

This unit provides ATX-style connectors (20+4-pin main, 4+4-pin CPU); an AT motherboard needs an adapter, which is not included.

How can I verify the fan is responding to temperature after installation?

The built-in thermal sensor varies the 12 cm fan speed automatically; listen for the fan to spin faster as the supply warms up.

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