be quiet! SYSTEM POWER 11 550W power supply

System Power 11 550W boasts 80 PLUS Bronze certification, meaning it is up to 89.7% efficient. It is an excellent choice for users who value energy efficiency, lower electricity bills, and a cooler and quieter PC.

System Power 11 550W is designed according to the ATX 3.1 specification, making it the ideal choice for modern and future-proof setups. It features native 12V-2x6 support for next-gen PCIe 5.1 graphics cards, as well as classic 6+2-pin PCIe connectors. It easily handles power spikes of up to twice its rated value, ensuring reliability and stability in every situation.

System Power 11 550W is equipped with a high-quality, temperature-controlled 120mm fan that ensures exceptionally quiet operation even under heavier loads. Thanks to be quiet! technology, silence becomes standard - even in more budget-friendly configurations.

System Power 11 550W delivers stable and safe power to your CPU and GPU, even under demanding conditions. Reliable operation under load makes it an ideal choice for everyday use and setups that require a solid foundation.

System Power 11 550W offers solid power on a single, powerful 12V rail, ideal for powering modern PCIe graphics cards. Advanced safeguards - including overvoltage, overload, and thermal protection - protect your PC components, ensuring stable operation and longevity of your entire setup.

Power

• Total Power: 550 W
• AC Input Voltage: 200 - 240 V
• AC Input Frequency: 50 Hz
• Input Current: 4 A
• Power factor: 0.98
• Number of +12 V rails: 1
• Total power (+3.3 V): 120 W
• Total power (+12 V): 550 W
• Total power (+5 V): 120 W
• Total power (-12V): 3.6 W
• Total power (+5 Vsb): 15 W
• Maximum output current (+3.3V): 20 A
• Maximum output current (+12 V1): 45.83 A
• Maximum output current (+5 V): 20 A
• Maximum output current (-12V): 0.3 A
• Maximum output current (+5Vsb): 3 A
• Hold-off time: 16.86 ms
• Efficiency: 89.7%
• Power protection features: Overcurrent, Overload protection, Overvoltage protection, Overheating protection, Short circuit, Surge & inrush, Undervoltage protection

Ports and interfaces

• Motherboard power connector: 20+4 pin ATX
• Number of SATA power connectors: 5
• Peripheral (Molex) power connectors (4-pin): 1
• PCI Express power connectors (6+2 pin): 2
• PCI Express power connectors (12-pin): 1
• P4 CPU connector (4-pin): 1
• CPU power connector (4+4 pin): Yes
• Cable type: Non-modular

Performance

• 80 PLUS Certification: 80 PLUS Bronze
• Intended Use: PC
• Power Supply Unit (PSU): ATX
• ATX Version: 3.1
• EPS Version: 2.92
• Noise level: 24.2 dB
• Bearing technology: Rifle bearing
• MTBF (Mean time between failures): 100000 h

Design

• Product color: Black
• Cooling type: Active
• Fan cup diameter: 12 cm
• Number of fans: 1 fan
• Fan speed: 0 - 1800 RPM
• Built-in switch: Yes

Certifications

• Disposal of waste electrical and electronic equipment (WEEE): Certificates of conformity
• Yes: CB, CE, RoHS, TÜV mark, UKCA, WEEE

Weight and dimensions

• Product width: 150 mm
• Product depth: 86 mm
• Product height: 140 mm
• Product weight: 1.92 kg

Packaging data

• Packaging width: 195 mm
• Packaging depth: 268 mm
• Packaging height: 97 mm
• Weight with packaging: 2.3 kg
• Packaging type: Box

Technical details

• Environmental (sustainability) certificate: ENERGY STAR, ErP

Logistics data

• Shipping box length: 55.6 cm
• Shipping box width: 31.1 cm
• Shipping box height: 21.8 cm
• Products per shipping crate (inner): 6 pcs
• Shipping crate (inner) gross weight: 14.9 kg

Other features

• Screws included: Cable ties included
• Yes: Yes