JBX PSU HARDWARE BLOG PC Power Supply Guide
Power Supply PSU Guide
PC Hardware • 6 Min Read

Power Supply (PSU) Buying Guide: 80 Plus Efficiency

By JBX Tech Experts • Published August 2026

Protecting Your PC Components

The Power Supply Unit (PSU) is the heart of your PC build. Never cheap out on an unrated power supply, as a bad PSU can fry expensive GPUs and motherboards during voltage spikes.

1. 80-Plus Efficiency Ratings

2. Modular vs Non-Modular Cables

Fully modular PSUs allow plugging in only the cables your rig requires, keeping cable management clean for maximum airflow inside your chassis.

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