psube quiet!
be quiet! SFX Power 3 450 450 W 80+ Bronze Certified SFX Power Supply
BN321
Key specs at a glance
Wattage
450W
Efficiency
80+ Bronze
Modular
No
Length
100 mm
Technical specifications
Every labeled spec with an info icon has a plain-English definition.
Performance
Efficiency
80+ Bronze
Wattage
450 W
Power
Modular
No
SATA Connectors
3
Fanless
No
Physical
Length
100 mm
Build
Manufacturer
be quiet!
Part Number
BN321
Type
SFX
Color
Black
Other
Price
219.45
Price Updated At
2026-08-23T12:09:51.99+00:00
Catalog record
This page lists the available catalog data for be quiet! SFX Power 3 450 450 W 80+ Bronze Certified SFX Power Supply. Use the builder action to check the part against a saved build, or compare it with other psu options before deciding.