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be quiet! SFX Power 3 BN320

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Expecting restock
$106.09 
Power: 300; Cooling system: active (fan); MB/CPU power supply: 24+4; Manufacturer's warranty: 3 years;
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be quiet! SFX Power 3 BN320
2021SFX (for compact systems)
300 W
24+4 pin
450 W
24+8 (4+4) pin
Main
Power300 W
Form factorSFX
Specs
PFCactive
Efficiency89 %
Cooling systemactive (fan)
Fan size80 mm
Fan bearingsliding
Certification80+ Bronze
EPS12V version2.92
Power connectors
MB/CPU power supply24+4 pin
SATA3
MOLEX2
PCI-E 8pin (6+2)1
Floppy
Cable systemnon-modular
Cable length
MB350 mm
CPU400 mm
SATA300 mm / 450/600 /
MOLEX300 mm / 450 /
PCI-E400 mm
Max. power
+3.3V16 А
+5V16 А
+12V125 А
-12V0.3 А
+5Vsb2.5 А
+12V300 W
+3.3V +5V85 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOCP, UVP, SIP
Noise level29 dB
Manufacturer's warranty3 years
Dimensions (HxWxD)64x125x100 mm
Weight0.84 kg
Official Websitebequiet.com
Added to E-CatalogJuly 2021
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2025 - new arrivals, bestsellers, and the most relevant models be quiet!.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer
Series be quiet! SFX (for compact systems)Compare using chart →
be quiet! SFX L BN238
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500 W, 24+8 (4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, SFX, modular, Efficiency 92 %, certificate 80+ Gold
be quiet! SFX L BN239
from $149.90 
600 W, 24+8 (4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, SFX, modular, Efficiency 92 %, certificate 80+ Gold
be quiet! SFX Power 3 BN321
from $220.00 
450 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 3, Molex 2, SFX, Efficiency 89 %, warranty 3 years
Video reviews
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PSU be quiet! BN320
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