Corsair CX550 Power Supply - CX550

80 PLUS Bronze certified CORSAIR CX Series Power Supplies feature low-noise cooling and a compact ...

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Product Information

Full details

This guide is for PC builders and upgraders seeking a reliable power supply. The Corsair CX550 offers dependable power delivery and efficient operation, helping to ensure your system runs smoothly. Keep in mind that while it provides ample power for many systems, its 550W capacity may not be sufficient for high-end, power-hungry components. This guide will walk you through the key features, setup, and troubleshooting tips for your CX550.

All features

Model Part NumberCX550
BrandCorsair

Extended Product Information

FAQs

What is the warranty period?

The Corsair CX550 comes with a five-year warranty.

What is the efficiency rating?

The CX550 is 80 PLUS Bronze certified, meaning it operates with up to 88% efficiency.

Is this power supply modular?

No, the Corsair CX550 is a fully wired power supply, meaning all cables are permanently attached.

What size of PC case does this fit in?

The CX550 fits most modern PC cases due to its compact 125mm length.

What happens if the power supply fails?

If the power supply fails during the warranty period, Corsair will replace the unit. Contact Corsair support for assistance.

Can I use this power supply for overclocking?

While the CX550 is capable, it is generally recommended to use a higher-wattage, higher-efficiency power supply for overclocking to ensure stability and sufficient power delivery.

How do I know if the power supply is the issue?

If your PC has issues like unexpected shutdowns, not powering on, or strange noises, the power supply could be the culprit. Try replacing it with a known working unit to test.

Troubleshooting

PC won't turn on.

Check the power cord connection, the wall outlet, and the power supply's on/off switch. Ensure all internal cables are securely connected.

PC shuts down unexpectedly.

The power supply may be overloaded. Check the total power draw of your components. If overloaded, consider upgrading to a higher wattage PSU or removing some components.

Fan is noisy.

If the fan is running at high speed and is noisy, check the system’s temperatures. Excessive heat may cause the fan to run faster. Make sure the PSU has adequate ventilation.

System components not receiving power.

Ensure all power cables are correctly connected to the motherboard, graphics card, and other devices. Try different cables.

Pros and Cons

Pros

  • High efficiency reduces energy consumption and heat.
  • The thermally controlled fan ensures quiet operation under normal load.
  • Compact size facilitates easy installation in a variety of PC cases.
  • The five-year warranty offers long-term protection and support.
  • Provides ample power for mid-range gaming and general-use systems.

Cons

  • 550W power output may be insufficient for high-end gaming PCs with multiple GPUs.
  • Fully wired design can lead to cable clutter in smaller cases.
  • Efficiency is lower compared to Gold or Platinum rated PSUs.
  • The included cables might not be optimal for all case layouts.

Setup, Compatibility & Care

Installation:

  1. Open your PC case and locate the power supply bay.
  2. Insert the CX550 into the bay and secure it with screws.
  3. Connect the appropriate cables to your motherboard, graphics card, and other components.
  4. Ensure all connections are secure before powering on your system.

Compatibility:

The CX550 is compatible with most modern PC components. Ensure that the combined power draw of all your components does not exceed 550W. Check the dimensions of your case to confirm the PSU will fit. The unit supports ATX form factor.

Care:

  • Keep the power supply clean and free of dust. Use compressed air to remove dust periodically.
  • Ensure proper ventilation around the power supply to avoid overheating.
  • Avoid overloading the power supply by exceeding its wattage limit.
  • Do not open the power supply unit; it contains dangerous voltages.
  • If any issues arise, consult the troubleshooting section or contact Corsair support.

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