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be quiet! Straight Power 11 Platinum BN305

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Outdated Product
$278.27 
Power: 500; Cooling system: 1 fan; MB/CPU power supply: 24+8 (4+4); Manufacturer's warranty: 5 years;
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be quiet! Straight Power 11 Platinum [BN305]
$278.27 
be quiet! Straight Power 11 Platinum BN305
Straight Power (high efficiency)80+ Platinum5 year warranty
500 W
24+8 (4+4) pin
650 W
24+8+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
1200 W
24+8+8(4+4) pin
Main
Power500 W
Form factorATX
Specs
PFCactive
Efficiency94 %
Cooling system1 fan
Fan size135 mm / Silent Wings 3 /
Fan bearinghydrodynamic
Certification80+ Platinum
ATX12V version2.51
Power connectors
MB/CPU power supply24+8 (4+4) pin
SATA9
MOLEX3
PCI-E 8pin (6+2)2
Floppy
Cable systemmodular
Braided wires
Cable length
MB600 mm
CPU700 mm
SATA550 mm
MOLEX550 mm
PCI-E600 mm
Max. power
+3.3V22 А
+5V22 А
+12V118 А
+12V218 А
+12V320 А
+12V420 А
-12V0.3 А
+5Vsb3 А
+12V549 W
+3.3V +5V110 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOCP, UVP, OTP
Noise level15 dB / at 100% load /
Manufacturer's warranty5 years
Dimensions (HxWxD)86x150x160 mm
Weight1.65 kg
Added to E-Catalogjanuary 2020
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! Straight Power (high efficiency)Compare using chart →
be quiet! Straight Power 12 BN337
from $315.00 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
be quiet! Straight Power 12 BN338
from $199.90 
1000 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
be quiet! Straight Power 12 BN336
from $283.00 
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
be quiet! Straight Power 12 BN340
from $99.90 
1500 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 2 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
be quiet! Straight Power 11 BN285
from $252.70 
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
Video reviews
Best Quiet Power Supply | be quiet! Straight Power 11 Platinum 1200W Unboxing
12 July 2023892 view
Straight Power 11 Platinum | be quiet | multi-language
21 January 20207 867 view
Straight Power 11 Platinum VS Gold (english) | be quiet!
28 January 202067 431 view
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PSU be quiet! BN305
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