BE QUIET

be quiet! System Power 11 750W ATX Power Supply 80 PLUS Bronze

CPU P4 connector (4-pin)1
AC input voltage200 – 240 V
Noise level33.4 dB
Width150 mm
Motherboard power connector20+4 pin ATX
Package typeBox

The be quiet! System Power 11 750W is an ATX desktop computer power supply built for users who want dependable, quiet performance without overspending. Running on 200–240 V mains and rated at 750 W, it delivers stable output for mid-range to high-end PC builds while keeping noise levels genuinely low thanks to its temperature-controlled 120 mm fan.

Description

Solid Power, Quieter System

750 W continuous output with a strong single 12 V rail and DC-to-DC voltage regulation for tight stability
ATX 3.1 form factor with PCIe 5.1 support, including a 12V-2x6 600 W connector for current-generation GPUs
Temperature-controlled 120 mm fan spins only as fast as it needs to, reducing overall system noise
80 PLUS Bronze efficiency — up to 90% efficiency, keeping waste heat and electricity draw in check
Flat black cables for cleaner routing inside the case

A practical pick for gaming PC builds, content creation rigs, or any desktop where reliable power delivery and quiet operation matter more than RGB.

Specifications

General

Brand	BE QUIET
Product colour	Black
Purpose	PC
Hold time	17.34
Efficiency	90
ATX version	3.1
EPS version	2.92
Cabling type	Non-Modular
Fan diameter	120
Number of fans	1
Number of +12V rail(s)	1
Shipping (inner) case width	311
Shipping (inner) case height	218
Shipping (inner) case length	556
Mean time between failures (MTBF)	100000
Products per shipping (inner) case	6
Shipping (inner) case gross weight	15600
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes
EAN	4260052191880

Processor

CPU P4 connector (4-pin)	1
CPU power connector (4+4 pin)	Yes

Ports

EPS power connector (8-pin)	Yes
Motherboard power connector	20+4 pin ATX
Number of SATA power connectors	6
PCI Express power connectors (12-pin)	1
PCI Express power connectors (6+2 pin)	3
Peripheral (Molex) power connectors (4-pin)	1

Keyboard & controls

On/off switch	Yes

Battery & power

AC input voltage	200 – 240 V
AC input frequency	50 Hz
Total power	750
Power factor	0.98
Input current	4
Combined power (+5V)	120
80 PLUS certification	80 PLUS Bronze
Combined power (+12V)	750
Combined power (-12V)	3.6
Combined power (+3.3V)	120
Combined power (+5Vsb)	15
Max output current (+5V)	20
Max output current (-12V)	0.3
Power protection features	Over current/Over power/Over voltage/Overheating/Short circuit/Surge & inrush/Under voltage
Max output current (+12V1)	62.5
Max output current (+3.3V)	20
Max output current (+5Vsb)	3
Power supply unit (PSU) form factor	ATX