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Rectangular black metal ATX power supply unit with 20+4 pin connector visible

HEC

HEC HEC-550TB 550 W 20+4 Pin ATX power supply

SKU CH-R04X-RFP0S

ATX desktop power supply delivering 550 W through a 20+4-pin connector

  • Maximum Power550 W
  • Weight4
  • 550 W continuous power for stable desktop operation
  • 20+4 pin ATX connector fits standard motherboards
  • Tested and visually inspected for reliable performance
  • HEC Group engineering for dependable power delivery
  • Includes only the cables shown in the product images

What this power supply delivers

The HEC HEC-550TB is a 550 W ATX desktop power supply built for standard PC builds. It provides a 20+4 pin motherboard connector to fit modern boards. The unit is supplied new and includes only the cables shown in the product images. It suits users assembling or repairing a conventional desktop system.

Who this fits and who it does not

This PSU works for builders who need a straightforward 550 W ATX unit with a 20+4 pin connector for a typical desktop. It is not for systems that require additional PCIe power cables for dedicated graphics cards. Buyers needing modular cabling or higher wattage for multi-GPU configurations should look at other models.

The spec that decides compatibility

The single specification that decides fit is the 550 W maximum power rating combined with the 20+4 pin ATX connector. Verify that your build draws less than this output and that your motherboard uses the standard 20+4 pin socket. If your hardware demands more power or different connectors, this unit will not support it.

商品特色

  • 550 W continuous power for stable desktop operation
  • 20+4 pin ATX connector fits standard motherboards
  • Tested and visually inspected for reliable performance
  • HEC Group engineering for dependable power delivery
  • Includes only the cables shown in the product images

商品規格

BrandHEC Group
Maximum Power550 W
Weight4

商品問答

Does the HEC-550TB include all cables needed for a typical desktop build or must any be purchased separately?

The unit only comes with the cables shown in the product photographs; any connectors not pictured are not included and must be sourced separately.

Is the 550 W rating on this HEC-550TB a continuous or peak figure for a standard ATX system?

The specification lists a maximum power of 550 W for this ATX desktop power supply.

What does the 20+4 pin ATX connector on the HEC-550TB provide when installed in a modern motherboard?

The 20+4 pin design fits both 20-pin and 24-pin motherboard sockets, delivering the main board power required by ATX systems.

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