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Compact silver TFX power supply unit with rear fan grille and cable bundle

myVolts

myVolts Replace Power Supply Dell DCSLF Slimline 250W TFX

SKU CH-K62Y-XFFDT

TFX 250 W power supply with 20+4 pin, 4-pin CPU, three Molex and three SATA connectors fits Dell DCSLF Slimline and SFF models

  • Product typeAT
  • Delivers 250 W steady power for Dell DCSLF Slimline
  • TFX form factor fits slimline and small-form-factor cases
  • 20+4 pin, 4-pin CPU, 3× Molex, 3× SATA connectors cover key components
  • 80 mm double ball-bearing fan provides reliable cooling
  • Auto-switching 100/240 V input works worldwide

Dell DCSLF Slimline replacement

This TFX power supply replaces the original unit in Dell DCSLF Slimline desktops and compatible small-form-factor systems. It delivers 250 watts of continuous output for standard office or home configurations. The 20+4 pin motherboard connector, 4-pin CPU connector, three Molex, one floppy and three SATA connectors cover typical internal peripherals. An 80 mm double ball bearing fan provides active cooling.

Installation notes

The TFX form factor fits the existing chassis opening and uses the same mounting points as the factory supply. Cable lengths suit the compact interior, though routing around tight drive cages may require patience. The 20+4 pin plug splits for older 20-pin boards, and the floppy connector remains for legacy devices. Verify that your model accepts a standard TFX depth before ordering.

Sustained-load behaviour

The 80 mm double ball bearing fan maintains airflow during extended operation without the wear common to sleeve bearings. Rated for 250 watts continuous output, the unit handles typical desktop workloads without thermal throttling. Input voltage auto-ranges from 100 to 240 volts for stable delivery across regions. Weighing 3 lb, it stays firmly seated under vibration.

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

How can I verify the myVolts 250W TFX unit is running correctly after installation?

The system should power on reliably, the 80 mm fan with double ball bearings should spin quietly, and all connected drives and the motherboard must stay stable under load.

What cables come with the myVolts Dell DCSLF Slimline PSU and what must I source separately?

The box includes a 20+4 pin motherboard connector, a 4-pin CPU plug, three Molex leads, a floppy adapter and three SATA cables; any extra adapters or extension cables are not supplied.

Which wattage version of the myVolts TFX replacement should I choose for my Dell slimline?

This model delivers 250 W and replaces original 200, 250, 300 or 350 W units; select it when your current PSU is rated at or below 250 W.

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