be quiet!

be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black

SKU: BP010EU
£43.99
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Overview

Proven Reliability, Quiet Operation
System Power 11 550W has been built with value-oriented users in mind that do not want to pass on reliability and quietness. Elaborated features such as ATX 3.1 compatibility and a temperature-controlled fan underline the value System Power 11 550W offers even at entry-level.

Key features

  • ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
  • Temperature-controlled 120mm quality fan reduces system noise
  • Rock-solid stability with a strong 12V-rail
  • Tight voltage regulation using DC-to-DC technology
  • One PCIe 5.1 12V-2x6 300W and 2 PCIe 6-2 connectors
  • Dependable operation to support powerful GPUs
  • Stand-by drain of less than 0.15 watts
  • 80 PLUS® Bronze efficiency (up to 89.7%)
  • Attractive black flat cables
  • Complete suite of top safety features
  • Product conception, design and quality control in Germany
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 +12V rail(s) 1
Combined power (+3.3V) 120 W
Combined power (+12V) 550 W
Combined power (+5V) 120 W
Combined power (-12V) 3.6 W
Combined power (+5Vsb) 15 W
Max output current (+3.3V) 20 A
Max output current (+12V1) 45.83 A
Max output current (+5V) 20 A
Max output current (-12V) 0.3 A
Max output current (+5Vsb) 3 A
Hold time 16.86 ms
Efficiency 89.7%
Power protection features Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage
Ports & 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
CPU P4 connector (4-pin) 1
CPU power connector (4+4 pin) Yes
Cabling type Non-Modular
Performance
80 PLUS certification 80 PLUS Bronze
Purpose PC
Power supply unit (PSU) form factor ATX
ATX version 3.1
EPS version 2.92
Noise level 24.2 dB
Bearing technology Rifle
Mean time between failures (MTBF) 100000 h
Design
Product colour Black
Cooling type Active
Fan diameter 12 cm
Number of fans 1 fan(s)
Fan speed 0 - 1800 RPM
On/off switch Yes
Certificates
Waste Electrical and Electronic Equipment (WEEE) compliance Yes
Compliance certificates CB, CE, RoHS, TÜV mark, UKCA, WEEE
Weight & dimensions
Width 150 mm
Depth 86 mm
Height 140 mm
Weight 1.92 kg
Packaging data
Package width 195 mm
Package depth 268 mm
Package height 97 mm
Package weight 2.3 kg
Package type Box
Technical details
Sustainability certificates ENERGY STAR, ErP
Other features
Screws included Yes
Cable ties included Yes

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