Product comparison · 2 power supply units

Chieftec CTB-400S power supply unit vs Chieftec SPS-750C power supply unit

26specifications compared
19differ
7identical
9known for one product only

Key differences

Total power
- CTB-400S power supply unit:400 W
- SPS-750C power supply unit:750 W
Peak power
- CTB-400S power supply unit:400 W
- SPS-750C power supply unit:750 W
AC input voltage
- CTB-400S power supply unit:230 V
- SPS-750C power supply unit:100 - 240 V
Combined power (+3.3V)
- CTB-400S power supply unit:120 W
- SPS-750C power supply unit:150 W
Combined power (+12V)
- CTB-400S power supply unit:300 W
- SPS-750C power supply unit:720 W
Combined power (+5V)
- CTB-400S power supply unit:120 W
- SPS-750C power supply unit:150 W
Max output current (+3.3V)
- CTB-400S power supply unit:24 A
- SPS-750C power supply unit:25 A
Max output current (+12V)
- CTB-400S power supply unit:18 A
- SPS-750C power supply unit:60 A

Side by side

Differences highlightedShow differences only

Comparison of CTB-400S, SPS-750C
35 specifications	A Chieftec CTB-400S power supply unit Model CTB-400S View product	B Chieftec SPS-750C power supply unit Model SPS-750C View product
Power11 differ
Total powerDiffers	400 W	750 W
Peak powerDiffers	400 W	750 W
AC input voltageDiffers	230 V	100 - 240 V
Combined power (+3.3V)Differs	120 W	150 W
Combined power (+12V)Differs	300 W	720 W
Combined power (+5V)Differs	120 W	150 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	18 A	60 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
Ports & interfaces4 differ
Motherboard power connectorDiffers	24-pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	3	8
Peripheral (Molex) power connectors (4-pin)Differs	3	4
PCI Express power connectors (6-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
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	4
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)	100000 h	100000 h
Design2 differ
Product colourDiffers	Grey	Red
Fan diameterDiffers	12 cm	14 cm
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	150 x 140 x 87 mm	150 x 160 x 87 mm
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	FCC, CE, CB

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.

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