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Small black metal power supply unit with 24-pin connector and cooling vents

DELL

DELL K2H58 250W 24-Pin SFF Power Supply

SKU CH-22YZ-2RNXZ MPN K2H58

250 W small-form-factor power supply with a 24-pin connector for compatible Dell OptiPlex and Vostro desktops

  • Max wattage250 W
  • Product weight4
  • 250 W maximum power supports stable operation
  • 24-pin connector fits listed Dell SFF chassis
  • Compatible with OptiPlex 3010, 7010 and 9010
  • TFX form factor suits small-form-factor cases

250 W SFF power supply for Dell desktops

This 250 W small-form-factor unit fits Dell OptiPlex 3010, 7010, 9010, 790, 990 and Vostro 200s, 220 models. It uses a standard 24-pin connector and a TFX chassis. The supply is new and rated at 250 W maximum output.

Not for higher-wattage builds

Systems that need more than 250 W or a full-size ATX form factor cannot use this unit. Builds requiring additional PCIe power connectors or a different pin layout should look elsewhere.

How it compares

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

Price $39.99
Cheaper than about 93% of the 10,869 comparable items (median $142.99).
Max wattage 250 W
Lower than about 94% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameDELL
Model nameK2H58
Power
Max wattage250 W
Size & build
Shipping weight2.31 kg
Package size305 × 254 × 229 mm

Questions about this item

How can I verify the Dell K2H58 250W unit is working after installation?

Power on the OptiPlex SFF; the system should start without shutdowns and the PSU fan should spin steadily.

What comes with the K2H58 and what must I source separately?

The package includes the 250W TFX power supply with a 24-pin motherboard connector; mounting screws and any extra cables are not included.

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