Product comparison · 2 power supply units

Chieftec CTB-350S power supply unit vs Chieftec CTB-500S power supply unit

Key differences

Total power
- CTB-350S power supply unit:350 W
- CTB-500S power supply unit:500 W
Peak power
- CTB-350S power supply unit:350 W
- CTB-500S power supply unit:500 W
Combined power (+12V)
- CTB-350S power supply unit:270 W
- CTB-500S power supply unit:400 W
Max output current (+3.3V)
- CTB-350S power supply unit:21 A
- CTB-500S power supply unit:24 A
Max output current (+12V)
- CTB-350S power supply unit:16 A
- CTB-500S power supply unit:20 A
Max output current (+5V)
- CTB-350S power supply unit:18 A
- CTB-500S power supply unit:20 A
Number of SATA power connectors
- CTB-350S power supply unit:3
- CTB-500S power supply unit:6
Certification
- CTB-350S power supply unit:FCC, CE, CB
- CTB-500S power supply unit:FCC, CE, CB, RoHS

Differences highlightedShow differences only

Comparison of CTB-350S, CTB-500S
33 specifications	A Chieftec CTB-350S power supply unit Model CTB-350S View product	B Chieftec CTB-500S power supply unit Model CTB-500S View product
Power6 differ
Total powerDiffers	350 W	500 W
Peak powerDiffers	350 W	500 W
Combined power (+12V)Differs	270 W	400 W
Max output current (+3.3V)Differs	21 A	24 A
Max output current (+12V)Differs	16 A	20 A
Max output current (+5V)Differs	18 A	20 A
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	3	6
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
PCI Express power connectors (8-pin)Known for one	Unknown — not stated by the source	1
Performanceidentical
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS
Designidentical
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	FCC, CE, CB	FCC, CE, CB, 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.