Product comparison · 2 power supply units

Chieftec CSN-550C power supply unit vs Chieftec CSN-650C power supply unit

33specifications compared
4differ
29identical
2known for one product only

Key differences

Total power
- CSN-550C power supply unit:550 W
- CSN-650C power supply unit:650 W
Max output current (+12V1)
- CSN-550C power supply unit:45.8 A
- CSN-650C power supply unit:54 A
Number of SATA power connectors
- CSN-550C power supply unit:4
- CSN-650C power supply unit:6
Power supply unit (PSU) form factor
- CSN-550C power supply unit:PS/2
- CSN-650C power supply unit:SFX

Side by side

Differences highlightedShow differences only

Comparison of CSN-550C, CSN-650C
35 specifications	A Chieftec CSN-550C power supply unit Model CSN-550C View product	B Chieftec CSN-650C power supply unit Model CSN-650C View product
Power2 differ
Total powerDiffers	550 W	650 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	47 - 63 Hz	47 - 63 Hz
Input current	6 A	6 A
Power factor	0.9	0.9
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)	90 W	90 W
Combined power (+5V)	90 W	90 W
Max output current (+3.3V)	18 A	18 A
Max output current (+12V1)Differs	45.8 A	54 A
Max output current (+5V)	15 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	3 A	3 A
Efficiency	90%	90%
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	4	6
Peripheral (Molex) power connectors (4-pin)	3	3
PCI Express power connectors (6+2 pin)	2	2
CPU power connector (4+4 pin)	Yes	Yes
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy drive power connector	1	1
Cabling type	Fully-Modular	Fully-Modular
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factorDiffers	PS/2	SFX
80 PLUS certification	80 PLUS Gold	80 PLUS Gold
ATX version	2.3	2.3
Designidentical
Product colour	Black	Black
Fan diameter	8 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
Weight & dimensionsidentical
Width	125 mm	125 mm
Depth	100 mm	100 mm
Height	64 mm	64 mm
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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.