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

550W, 80 PLUS Bronze, ATX 3.1, EPS 12V 2.92, 86 x 150 x 140mm

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

Description

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.

Specifications

Cooling
Fan diameter	12 cm
Number of fans	1 fan(s)
Fan speed	0 - 1800 RPM
Cooling type	Active
Performance
On/off switch	Yes
Power supply unit (PSU) form factor	ATX
80 PLUS certification	80 PLUS Bronze
Purpose	PC
ATX version	3.1
EPS version	2.92
Noise level	24.2 dB
Mean time between failures (MTBF)	100000 h
Bearing technology	Rifle
Design
80 PLUS certification	80 PLUS Bronze
Product colour	Black
Fan diameter	12 cm
On/off switch	Yes
Number of fans	1 fan(s)
Fan speed	0 - 1800 RPM
Cooling type	Active
Power
Total power	550 W
AC input voltage	200 - 240 V
AC input frequency	50 Hz
Input current	4 A
Power factor	0.98
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
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage
Hold time	16.86 ms
Efficiency	89.7%
Number of +12V rail(s)	1
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
CPU P4 connector (4-pin)	1
CPU power connector (4+4 pin)	Yes
Cabling type	Non-Modular
PCI Express power connectors (12-pin)	1
Technical details
Shipping (inner) case width	31.1 cm
Shipping (inner) case length	55.6 cm
Shipping (inner) case height	21.8 cm
Products per shipping (inner) case	6 pc(s)
Sustainability certificates	ENERGY STAR, ErP
Compliance certificates	CB, CE, RoHS, TÜV mark, UKCA, WEEE
Certificates
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes
Compliance certificates	CB, CE, RoHS, TÜV mark, UKCA, WEEE
80 PLUS certification	80 PLUS Bronze
Certification
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes
Weight & dimensions
Width	150 mm
Depth	86 mm
Height	140 mm
Weight	1.92 kg
Packaging data
Screws included	Yes
Cable ties included	Yes
Package depth	268 mm
Package width	195 mm
Package height	97 mm
Package type	Box
Package weight	2.3 kg
Packaging content
Screws included	Yes
Cable ties included	Yes
Logistics data
Shipping (inner) case width	31.1 cm
Shipping (inner) case length	55.6 cm
Shipping (inner) case height	21.8 cm
Products per shipping (inner) case	6 pc(s)
Shipping (inner) case gross weight	14.9 kg
Other features
Screws included	Yes
Cable ties included	Yes