Be Quiet! Straight Power 11 (BN617)

Home Power Supply Be Quiet! Straight Power 11

Product Specification

Connectivity
Total Connectors
1 x 20+4-Pin ATX Motherboard
2 x 6+2-Pin PCIe
1 x 4+4-Pin EPS CPU
9 x 15-Pin SATA
Cable Design : Sleeved
ATX Connector Distance : 23.6" / 60 cm
Electrical
Total Wattage : 550 W
Number of +12 V Rails : 4
Max Load for +12 V : 4 to 8 A
Peak Power : 600 W
AC Input Power : 100 to 240 VAC, 50 / 60 Hz
General
Efficiency Rating : 80 PLUS Gold
Efficiency : 93%
Cooling
Fan Size : 135 mm
Noise Level : 9 to 17.2 dBA
Fan Life Expectancy : 100,000 Hours
Environmental
Operating Temperature : 32 to 104°F / 0 to 40°C
Operating Humidity : 0 to 85%
Storage Temperature : -40 to 158°F / -40 to 70°C
Storage Humidity : 0 to 98%
Physical
Form Factor : ATX
Compliance : ATX 12 V v2.4, EPS 12 V v2.92
Certifications : CE, EAC, FCC, TUV, as per Manufacturer
Power Cable Length : 45.28" / 115 cm
Dimensions : 6.3 x 5.91 x 3.39" / 160 x 150 x 86 mm
Packaging Info
Package Weight : 6.19 lb
Box Dimensions (LxWxH) : 12.9 x 9.8 x 4.2"

be quiet! Straight Power 11, 80 Plus Gold Certified 550W Fully Modular Power Supply

  (430 Total Review)

Product Features

  • Virtually inaudible Silent Wings 3 135mm fan
  • Funnel-shaped fan opening of the PSU case for high airflow intake
  • Wire-free inside the PSU on the DC side for enhanced cooling and longevity
  • Full cable management for maximum build flexibility
  • 80PLUS Gold efficiency (up to 93%)
  • Powerful multi-GPU support with two PCI-Express connectors
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Out of Stock · Last Checked At: Oct 20, 2026
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Product Specification

Connectivity
Total Connectors
1 x 20+4-Pin ATX Motherboard
2 x 6+2-Pin PCIe
1 x 4+4-Pin EPS CPU
9 x 15-Pin SATA
Cable Design : Sleeved
ATX Connector Distance : 23.6" / 60 cm
Electrical
Total Wattage : 550 W
Number of +12 V Rails : 4
Max Load for +12 V : 4 to 8 A
Peak Power : 600 W
AC Input Power : 100 to 240 VAC, 50 / 60 Hz
General
Efficiency Rating : 80 PLUS Gold
Efficiency : 93%
Cooling
Fan Size : 135 mm
Noise Level : 9 to 17.2 dBA
Fan Life Expectancy : 100,000 Hours
Environmental
Operating Temperature : 32 to 104°F / 0 to 40°C
Operating Humidity : 0 to 85%
Storage Temperature : -40 to 158°F / -40 to 70°C
Storage Humidity : 0 to 98%
Physical
Form Factor : ATX
Compliance : ATX 12 V v2.4, EPS 12 V v2.92
Certifications : CE, EAC, FCC, TUV, as per Manufacturer
Power Cable Length : 45.28" / 115 cm
Dimensions : 6.3 x 5.91 x 3.39" / 160 x 150 x 86 mm
Packaging Info
Package Weight : 6.19 lb
Box Dimensions (LxWxH) : 12.9 x 9.8 x 4.2"

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