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Posted on by Hayes Huang

How to Find What Power Supply I Have

Power supply unit with sticker showing model and wattage

To identify your power supply, locate its model number and wattage on the label or through software tools. This information helps when upgrading or troubleshooting.

Why You Need to Identify Your Power Supply

How Power Supplies Are Identified

Power supplies are identified by their model number and wattage rating. These details are usually printed on a label attached to the unit. Most power supplies also have a sticker with specifications, including voltage outputs, efficiency ratings, and manufacturer information.

Main Types of Identification Methods

Method Description Example
Physical Label Sticker on the power supply unit Model: EVGA 600 BR, 600W
Software Tools System information utilities Speccy, HWMonitor
Manufacturer Website Lookup by serial number Corsair website lookup

Common Mistakes When Identifying Power Supplies

Many users confuse the physical size of the power supply with its wattage rating. A larger unit isn't necessarily more useful. Always check the label for accurate specifications. Another mistake is assuming all power supplies are modular when many are non-modular or semi-modular.

Fully Worked Example: Identifying a Corsair Power Supply

To identify a Corsair power supply:

This process ensures you have accurate information for upgrades or replacements.

When to Use Software Tools

If the physical label is missing or unreadable, use system information tools like Speccy or HWMonitor. These programs scan your hardware and display detailed specifications, including power supply information. However, software may not always detect the exact model, especially for older units.

Identifying your power supply is straightforward once you know where to look. Always start with the physical label, then use software tools or manufacturer resources if needed. Accurate identification prevents compatibility issues during upgrades and ensures proper troubleshooting.


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