be quiet! TFX Power 3 300 300W
Category: Power Supply
Manufacturer: be quiet!
Wattage: 300W
Efficiency: 80+ Gold
Modular: non-modular
be quiet! TFX Power 3 300 300W
Wattage
300W
Efficiency
80+ Gold
Modular
non-modular
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Overview
A 300W unit with 80+ Gold efficiency certification and non-modular cabling. It uses the ATX form factor — confirm your case lists ATX support. 300W covers mainstream builds with a modest GPU. Skimping on the PSU is a false economy; better efficiency ratings usually mean better components and longer warranties.
Use the PlanMyPC system builder to verify it works alongside your other components. Support and warranty service run through be quiet!, with terms that vary by region. Every published spec is tabulated below, and compatibility against your current part list is checked automatically. If this power supply is not quite the right fit, the category page lists close alternatives at similar prices for a quick side-by-side comparison.
| Specification | Value |
|---|---|
| Modular | non-modular |
| Wattage | 300 W |
| Efficiency | 80+ Gold |
| Form Factor | ATX |
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