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Compact silver TFX power supply unit with 80mm fan and multiple cable connectors

myVolts

myVolts 320 W TFX power supply for Dell Vostro 260s

SKU CH-XJYF-WYADM

A TFX 320 W power supply that fits the Dell Vostro 260s, replacing 200 W to 350 W units with a 20+4 pin motherboard connector, 4-pin CPU power, two Molex, floppy and two SATA connectors.

  • Product typeAT
  • 320 W steady power runs Dell Vostro 260s reliably
  • TFX form factor fits slimline and SFF chassis
  • 20+4 pin, 4-pin CPU, 2× Molex, 2× SATA connectors
  • 80 mm fan cools quietly under load
  • 100–240 V input works worldwide without switching

Dell Vostro 260s TFX replacement

This 320 W TFX power supply is built to replace the original unit in a Dell Vostro 260s small-form-factor desktop. It delivers 320 watts of continuous power for systems that need a direct swap without case modifications. The unit fits slimline and SFF chassis designs that require the TFX form factor. It is not for builders who need higher wattage than 320 W or a different physical size.

Connector limits for TFX builds

The PSU provides a 20+4 pin motherboard connector, a 4-pin CPU connector, two Molex connectors, a floppy connector and two SATA connectors. No PCIe power connectors are present, so discrete graphics cards requiring external power cannot be used. The 80 mm fan handles cooling within the compact TFX enclosure. Input voltage ranges from 100 to 240 V for worldwide mains compatibility.

320 W continuous output decides fit

The single specification that determines suitability is the 320 W continuous rating. It replaces factory units rated at 200, 250, 300 or 350 W and supports an upgrade path to 420 W if the chassis and wiring allow. If the target system demands more than 320 W sustained, this unit will not meet the requirement.

How it compares

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

Price $98.99
Cheaper than about 68% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Should I choose the 320 W unit or the 420 W upgrade for my Dell Vostro 260s?

The 320 W model replaces the original 200, 250, 300 or 350 watt supply and fits the TFX chassis. The 420 W option is a higher-output alternative if your build adds more drives or a dedicated graphics card.

What does 320 W actually deliver inside a Dell Vostro 260s?

It provides steady 320 W output through a 20+4 pin motherboard connector, a 4-pin CPU plug, two Molex, a floppy lead and two SATA connectors, cooled by an 80 mm fan.

Will the TFX form factor and 100/240 V input work in my slimline desktop?

Yes, the TFX size matches the Vostro 260s slimline chassis and the wide-range input accepts 100 to 240 V without a voltage switch.

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