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be quiet! Straight Power 11 BN281

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Expecting restock
£125.73 
Power: 550; Cooling system: active (fan); MB/CPU power supply: 24+8 (4+4); Manufacturer's warranty: 5 years;
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be quiet! Straight Power 11 [BN281]
£125.73 
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be quiet! Straight Power 11 BN281
Straight Power (high efficiency)80+ Gold5 year warranty
450 W
24+8 (4+4) pin
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
1000 W
24+8+8(4+4) pin
Main
Power550 W
Form factorATX
Specs
PFCactive
Efficiency93 %
Cooling systemactive (fan)
Fan size135 mm
Fan bearinghydrodynamic
Certification80+ Gold
ATX12V version2.4
EPS12V version2.92
Power connectors
MB/CPU power supply24+8 (4+4) pin
SATA9
MOLEX3
PCI-E 8pin (6+2)2
Cable systemmodular
Braided wires
Cable length
MB600 mm
CPU700 mm
SATA1000 mm
PCI-E600 mm
Max. power
+3.3V24 А
+5V24 А
+12V118 А
+12V218 А
+12V320 А
+12V420 А
-12V0.3 А
+5Vsb3 А
+12V549 W
+3.3V +5V130 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOTP, OCP, SIP, UVP
Noise level17 dB
Manufacturer's warranty5 years
Dimensions (HxWxD)86x150x160 mm
Official Websitebequiet.com
Added to E-Catalogmay 2018
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
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1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, SATA 11, Molex 4, ATX, modular, Efficiency 93 %, mining, certificate 80+ Gold, warranty 5 years
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Price for be quiet! Straight Power 11
be quiet! Straight Power 11 BN280from £184.971 offer
be quiet! Straight Power 11 BN283from £97.164 offers
be quiet! Straight Power 11 BN284from £181.141 offer
be quiet! Straight Power 11 BN285from £146.383 offers
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PSU be quiet! BN281
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