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

be quiet! System Power 11 550W. Total power: 550 W, AC input voltage: 200 - 240 V, AC input frequency: 50 Hz. Motherboard power connector: 20+4 pin ATX, Cabling type: Non-Modular. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Bronze. Product color: Black, Cooling type: Active, Fan diameter: 4.72" (12 cm). Compliance certificates: CB, CE, RoHS, TÜV mark, UKCA, WEEE

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
Motherboard power connector	20+4 pin ATX
Peripheral (Molex) power connectors (4-pin)	1
Number of SATA power connectors	5
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
Purpose	PC
Power supply unit (PSU) form factor	ATX
80 PLUS certification	80 PLUS Bronze
ATX version	3.1
EPS version	2.92
Noise level	24.2 dB
Bearing technology	Rifle
Mean time between failures (MTBF)	100000 h
Product color	Black
Cooling type	Active
Fan diameter	4.72" (12 cm)
Number of fans	1 fan(s)
Fan speed	0 - 1800 RPM
On/off switch	Yes
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes
Compliance certificates	CB, CE, RoHS, TÜV mark, UKCA, WEEE
Width	5.91" (150 mm)
Depth	3.39" (86 mm)
Height	5.51" (140 mm)
Weight	4.23 lbs (1.92 kg)
Package width	7.68" (195 mm)
Package depth	10.6" (268 mm)
Package height	3.82" (97 mm)
Package weight	5.07 lbs (2.3 kg)
Package type	Box
Sustainability certificates	ENERGY STAR, ErP
Shipping (inner) case length	21.9" (55.6 cm)
Shipping (inner) case width	12.2" (31.1 cm)
Shipping (inner) case height	8.58" (21.8 cm)
Quantity per shipping (inner) case	6 pc(s)
Shipping (inner) case weight	32.8 lbs (14.9 kg)
Screws included	Yes
Cable ties included	Yes