Product comparison · 2 power supply units

Chieftec BDF-650C power supply unit vs Chieftec BDF-850C power supply unit

38specifications compared
5differ
33identical
0known for one product only

Key differences

Total power
- BDF-650C power supply unit:650 W
- BDF-850C power supply unit:850 W
Combined power (+3.3V)
- BDF-650C power supply unit:120 W
- BDF-850C power supply unit:140 W
Combined power (+5V)
- BDF-650C power supply unit:120 W
- BDF-850C power supply unit:140 W
Max output current (+12V)
- BDF-650C power supply unit:54.2 A
- BDF-850C power supply unit:70.5 A
Number of SATA power connectors
- BDF-650C power supply unit:6
- BDF-850C power supply unit:9

Side by side

Differences highlightedShow differences only

Comparison of BDF-650C, BDF-850C
38 specifications	A Chieftec BDF-650C power supply unit Model BDF-650C View product	B Chieftec BDF-850C power supply unit Model BDF-850C View product
Power4 differ
Total powerDiffers	650 W	850 W
AC input voltage	115 - 230 V	115 - 230 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Power factor	0.9	0.9
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	120 W	140 W
Combined power (+5V)Differs	120 W	140 W
Max output current (+3.3V)	22 A	22 A
Max output current (+12V)Differs	54.2 A	70.5 A
Max output current (+5V)	22 A	22 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	2.5 A	2.5 A
Efficiency	85%	85%
Power protection features	Over current, Over voltage, Overheating, Overload, Short circuit, Under voltage	Over current, Over voltage, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	6	9
Peripheral (Molex) power connectors (4-pin)	3	3
PCI Express power connectors (6+2 pin)	4	4
CPU power connector (4+4 pin)	Yes	Yes
Floppy disk drive connector	Yes	Yes
Cabling type	Fully-Modular	Fully-Modular
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	PS/2	PS/2
80 PLUS certification	80 PLUS Bronze	80 PLUS Bronze
ATX version	2.3	2.3
Designidentical
Product colour	Black	Black
Cooling type	Active	Active
Fan diameter	14 cm	14 cm
Number of fans	1 fan(s)	1 fan(s)
Fan location	Top	Top
On/off switch	Yes	Yes
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	140 mm	140 mm
Height	87 mm	87 mm
Packaging dataidentical
Manual	Yes	Yes
Package type	Box	Box
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Other featuresidentical
Warranty card	Yes	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.