Product comparison · 2 power supply units

Chieftec CTB-500S power supply unit vs Chieftec SPS-650C power supply unit

26specifications compared
18differ
8identical
9known for one product only

Key differences

Total power
- CTB-500S power supply unit:500 W
- SPS-650C power supply unit:650 W
AC input voltage
- CTB-500S power supply unit:230 V
- SPS-650C power supply unit:115 - 230 V
Combined power (+3.3V)
- CTB-500S power supply unit:120 W
- SPS-650C power supply unit:130 W
Combined power (+12V)
- CTB-500S power supply unit:400 W
- SPS-650C power supply unit:624 W
Combined power (+5V)
- CTB-500S power supply unit:120 W
- SPS-650C power supply unit:130 W
Max output current (+3.3V)
- CTB-500S power supply unit:24 A
- SPS-650C power supply unit:25 A
Max output current (+12V)
- CTB-500S power supply unit:20 A
- SPS-650C power supply unit:52 A
Max output current (+5V)
- CTB-500S power supply unit:20 A
- SPS-650C power supply unit:25 A

Side by side

Differences highlightedShow differences only

Comparison of CTB-500S, SPS-650C
35 specifications	A Chieftec CTB-500S power supply unit Model CTB-500S View product	B Chieftec SPS-650C power supply unit Model SPS-650C View product
Power10 differ
Total powerDiffers	500 W	650 W
Peak powerKnown for one	500 W	Unknown — not stated by the source
AC input voltageDiffers	230 V	115 - 230 V
Combined power (+3.3V)Differs	120 W	130 W
Combined power (+12V)Differs	400 W	624 W
Combined power (+5V)Differs	120 W	130 W
Combined power (-12V)Known for one	3.6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Differs	24 A	25 A
Max output current (+12V)Differs	20 A	52 A
Max output current (+5V)Differs	20 A	25 A
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	3 A
Power protection features	Over current, Over voltage, Overload, Short circuit, Under voltage, Overheating	Over current, Over voltage, Overload, Short circuit, Under voltage, Overheating
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Ports & interfaces3 differ
Motherboard power connectorDiffers	24-pin ATX	20+4 pin ATX
Number of SATA power connectors	6	6
Peripheral (Molex) power connectors (4-pin)Differs	3	4
PCI Express power connectors (6+2 pin)	2	2
PCI Express power connectors (8-pin)Known for one	1	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connector	1	1
Cabling typeDiffers	Non-Modular	Fully-Modular
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationDiffers	80 PLUS	80 PLUS Silver
ATX version	2.3	2.3
Noise level	24 dB	24 dB
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Grey	Red
Fan diameterDiffers	12 cm	14 cm
Certificates1 differ
CertificationDiffers	FCC, CE, CB, RoHS	FCC, CE, CB
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Other features1 differ
Dimensions (WxDxH)Differs	150 x 140 x 87 mm	150 x 160 x 87 mm

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.

More power supply unit comparisons

All power supply unit comparisons