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Compact TFX power supply unit, metal casing, 80mm fan grille, multiple cable connectors visible

myVolts

myVolts TFX 250W Power Supply for Dell Bestec TFX0250D5WB SFF

SKU CH-R154-5BH3W

TFX form-factor replacement PSU delivering 250 watts with 20+4-pin, 4-pin CPU, Molex, floppy and SATA connectors, 80 mm double-ball-bearing fan and 100-240 V input for Dell Bestec SFF systems

  • TypeAT
  • 250W steady power runs older PCs and new builds
  • 20+4 pin motherboard plus 4-pin CPU, Molex, floppy and SATA connectors
  • 80mm double ball-bearing fan keeps temperatures low
  • 100/240V input works worldwide without a switch
  • TFX form factor fits slimline and SFF Dell chassis

TFX 250W PSU for Dell SFF

This TFX form-factor power supply replaces the Dell Bestec TFX0250D5WB unit in slimline and small-form-factor desktops. It delivers 250 watts of steady power for older PCs or custom builds with standard peripherals. An 80 mm double-ball-bearing fan provides active cooling.

Check connectors and chassis space

Verify that your motherboard uses a 20+4 pin main connector and a 4-pin CPU connector. Ensure the case accepts a TFX-sized supply and has room for the 80 mm fan. Confirm the existing unit is rated 200, 250, 300 or 350 watts so the replacement matches or exceeds it.

Fits slim builds with essential cables

The unit supplies 20+4 pin motherboard, 4-pin CPU, two Molex, floppy and two SATA connectors for drives and peripherals. Its 100 to 240 volt input works worldwide without a switch. The compact TFX shape frees space in tight chassis while powering typical office or home configurations.

Points forts

  • 250W steady power runs older PCs and new builds
  • 20+4 pin motherboard plus 4-pin CPU, Molex, floppy and SATA connectors
  • 80mm double ball-bearing fan keeps temperatures low
  • 100/240V input works worldwide without a switch
  • TFX form factor fits slimline and SFF Dell chassis

Caractéristiques

TypeAT

Questions sur cet article

Which connectors come with the TFX 250W unit and what must I source separately?

The unit includes a 20+4 pin motherboard connector, a 4-pin CPU connector, two Molex connectors, a floppy connector and two SATA connectors; no extra cables are required for a typical SFF build.

Should I choose the 250 W model or the 420 W upgrade version?

Select the 250 W model for a direct replacement of a 200, 250 or 300 W TFX supply; choose the 420 W version only if your system regularly draws more than 350 W.

What does the 250 W rating mean when the PSU is installed in my Dell SFF?

It delivers up to 250 W of continuous power across the 20+4 pin, 4-pin CPU, Molex and SATA rails while the 80 mm double ball-bearing fan keeps temperatures stable.

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