be quiet! SFX Power 2 400W

Ports & interfaces
Floppy disk drive connector
Motherboard power connector	20+4 pin ATX
Floppy drive power connector	1
Number of SATA power connectors	4
Peripheral (Molex) power connectors (4-pin)	1
CPU P4 connector (4-pin)	1
PCI Express power connectors (6+2 pin)	1
Weight & dimensions
Weight	950 g
Height	63.5 mm
Width	100 mm
Depth	125 mm
Energy management
Peak power	450 W
Input current	6 A
Nominal power	400 W
Efficiency	87.5%
Hold time	24 ms
Power protection features	Over current, Over power, Over voltage, Short circuit, Under voltage
Power factor	0.9
Power Factor Correction (PFC) type	Active
Combined power (+3.3V)	120 W
Combined power (+12V)	360 W
Combined power (+5V)	120 W
Combined power (-12V)	6 W
Combined power (+5Vsb)	12.5 W
Max output current (+3.3V)	21 A
Max output current (+5V)	22 A
Max output current (-12V)	0.5 A
Max output current (+5Vsb)	2.5 A
AC input frequency	50 - 60 Hz
AC input voltage	110 - 240 V
Max output current (+12V2)	16 A
Max output current (+12V1)	17 A
Total power	400 W
Maximum input current (@110V)	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Operational conditions
Operating temperature (T-T)	10 - 50 °C
Packaging data
Package weight	1.3 kg
Package depth	195 mm
Package height	75 mm
Package width	199 mm
Certificates
80 PLUS certification	80 PLUS Bronze
Other features
Manual
Warranty card
Noise level (quiet mode, 50%)	20.9 dB
Noise level (full-load mode, 100%)	33.9 dB
Noise level (silent mode, <30%)	20.7 dB
Design
Product colour	Black
Number of fans	1 fan(s)
On/off switch
Cooling type	Active
Fan diameter	8 cm
Fan speed	2579
Performance
Certification	CE, CB, TÜV
Mean time between failures (MTBF)	100000 h
Noise level	33.9 dB
Purpose	PC
Power supply unit (PSU) form factor	SFX
EAN	4260052183724
Warranty	1 year

Compact and Silent Energy

SFX Power 2 400W is the upgraded high-power compact PSU from be quiet! that gives you more for your mini or media PC. It supports the latest efficiency standards, while providing solid voltages and enough power to support PCIe graphics.

Features include:

- Certified 80PLUS® Bronze efficiency (up to 89%).
- Strong dual 12V-rails with 400W output for high stability and PCIe graphics support.
- High-quality temperature-controlled 80mm fan reduces system noise.
- Sleeved cables up to 50cm with 6+2 pin PCIe connector.
- Meets Intel C6/C7, ErP 2014 and Energy Star 5.2 requirements; standby draw less than 0.25 watts.
- Full suite of safety features.
- Product conception, design and quality control in Germany.

For powerful compact PC systems that perform beyond the ordinary, with the ideal combination of power, quietness, features, reliability and efficiency, choose SFX Power 2 400W.

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be quiet! SFX Power 2 400W

Key Specifications