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Silver rectangular ATX power supply with fan grille and labelled connectors

myVolts

myVolts ATX-250W power supply

SKU CH-R6R5-BE7Q2 MPN ATX-250W

A 250W AT power supply with manual 115/230V switching, 20+4 pin motherboard connector, two SATA ports and a thermal-controlled 12cm fan

  • Product typeAT
  • Clearly marked connectors enable quick and effective installation
  • 250 W rated power suits low-consumption desktop systems
  • Manual 115/230 V switch offers flexible voltage adjustment
  • Thermal sensor controls 12 cm fan speed automatically
  • 1 m power cord provides ample reach for daily use

Capacity and role

The myVolts ATX-250W is a 250W AT-type power supply built for low-energy desktop systems. It targets basic office or home computers that do not demand high wattage. The unit delivers its rated output through a 20+4 pin motherboard connector, a 4-pin CPU plug, two SATA ports and a 6-pin video card connector.

Installation and common issues

Clearly marked connectors and a 1.1 metre mains cord make the physical fit straightforward in most ATX cases measuring 140 x 150 x 86 mm. A manual 115/230 V switch must be set to match the local mains voltage before power-on; forgetting this step is the most frequent cause of a dead unit. The internal thermal sensor controls the 12 cm fan speed automatically, so no software setup is required.

Who should buy and who should not

This supply suits builders assembling a quiet, low-power desktop for everyday tasks. It is not for systems that need more than 250 W of continuous power, configurations requiring active PFC, or rigs that demand additional PCIe or peripheral connectors beyond the two SATA and single 6-pin plugs provided.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $52.99
Cheaper than about 90% of the 10,869 comparable items (median $142.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product typeAT

Questions about this item

How can I confirm the 250W myVolts ATX-250W is running correctly after installation?

The thermal sensor automatically controls the 12cm fan speed, so the fan will spin up under load and stay quiet at idle, while the system posts and runs stably with the 20+4 pin motherboard and 4 pin CPU connectors seated.

What ships in the box and what must I source separately for the ATX-250W?

The package includes the power supply unit and a 1.1 metre power cord; you will need to provide mounting screws and any extra SATA or 6 pin video card cables if your build requires more than the two SATA and single 6 pin connectors supplied.

Which voltage setting should I select on the 115/230V switch for my region?

Set the manual switch to 230V for UK and European mains or to 115V for North American and Japanese mains before plugging in the 1.1 metre cord.

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