psube quiet!
be quiet! System Power 9 CM 400 W 80+ Bronze Certified Semi-modular ATX Power Supply
BN300
Key specs at a glance
Wattage
400W
Efficiency
80+ Bronze
Modular
Semi
Length
140 mm
Technical specifications
Every labeled spec with an info icon has a plain-English definition.
Performance
Efficiency
80+ Bronze
Wattage
400 W
Power
Modular
Semi
SATA Connectors
5
Fanless
No
Physical
Length
140 mm
Build
Manufacturer
be quiet!
Part Number
BN300
Type
ATX
Color
Black
Other
Price
138.56
Catalog record
This page lists the available catalog data for be quiet! System Power 9 CM 400 W 80+ Bronze Certified Semi-modular ATX Power Supply. Use the builder action to check the part against a saved build, or compare it with other psu options before deciding.