Chieftec 450W Smart Series SFX-450BS - Power supply

Ports & interfaces
Motherboard power connector	20+4 pin ATX
Floppy drive power connector	1
Number of SATA power connectors	2
Peripheral (Molex) power connectors (4-pin)	1
ATX power connector (20+4 pin)
Weight & dimensions
Height	64 mm
Width	125 mm
Depth	100 mm
Energy management
Input current	3.5
Nominal power	450 W
Efficiency	85%
Power factor	0.9
Power Factor Correction (PFC) type	Active
Combined power (+3.3V)	120 W
Combined power (+5V)	120 W
Combined power (-12V)	6 W
Combined power (+5Vsb)	15 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)	3 A
AC input frequency	50 Hz
AC input voltage	230 V
Max output current (+12V1)	36 A
Certificates
Certification	UVP; OVP; SCP; OPP; AFC;
Cooling
Number of fans	1
Fan diameter	8 cm
Design
Product colour	Silver
Performance
Form factor	SFX
Purpose	PC/server
ATX version	2.3
EAN	4710713231399
Warranty	1 year
Source: Icecat.biz

The small, but powerful SFX-450BS comes with a power output of 450 watts and an efficiency of >85 %. Additional fans are pretty much unnecessary, due to the 80mm Ultra Silent fan.

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Chieftec 450W Smart Series SFX-450BS - Power supply

Key Specifications