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Compact SFX power supply unit with matte black finish and integrated cooling fan

Ruth's sister

Ruth's sister SFX300 300W internal power cable

SKU CH-F5FH-6KQ56

Delivers 300W to small-form-factor desktops with active PFC and a 450mm main cable

  • 300W rated power runs demanding games smoothly
  • Active PFC improves conversion efficiency up to 90%
  • 20+4 pin ATX connector fits standard desktop builds
  • 8-pin CPU and 8-pin GPU connectors power modern components
  • Three SATA ports connect storage drives directly

SFX300 300W SFX power supply

The SFX300 is a 300W SFX form-factor power supply built for compact desktop chassis. It delivers a single 12V rail with active PFC and a 20+4 pin ATX connector. The unit measures 100 by 125 by 64 millimetres and includes an 80-millimetre temperature-controlled fan. It is intended for small-form-factor builds that require an SFX footprint.

Suits compact system builders.

This unit fits builders assembling mini-ITX or custom small-form-factor PCs that accept an SFX supply and need up to 300 watts of continuous power. The non-modular cable set keeps the internal layout simple. It is not for systems that demand more than 300 watts or require additional PCIe power connectors beyond the single 8-pin provided.

Bundled cables cover motherboard.

The fixed cable harness includes a 450-millimetre 20+4 pin motherboard lead, an 8-pin CPU connector, one 8-pin graphics connector, two D-type peripheral plugs and three SATA connectors. No extra modular cables or adapters are supplied, so the included leads determine exactly which components can be powered.

Highlights

  • 300W rated power runs demanding games smoothly
  • Active PFC improves conversion efficiency up to 90%
  • 20+4 pin ATX connector fits standard desktop builds
  • 8-pin CPU and 8-pin GPU connectors power modern components
  • Three SATA ports connect storage drives directly

Specifications

No published specifications for this item yet.

Questions about this item

What motherboard power connector does the SFX300 require to function?

The SFX300 uses a 20+4 pin ATX connector to supply power to the motherboard.

Can the SFX300 power older drives that use the standard SATA interface?

Yes, the SFX300 provides three SATA power connectors for compatible drives.

How can I confirm the SFX300 is delivering power after installation?

The 8 cm cooling fan will spin and the system will start when the SFX300 is working correctly.

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