Product comparison · 2 power supply units

Chieftec BDF-400S power supply unit vs Chieftec BDF-600S power supply unit

Key differences

Total power
- BDF-400S power supply unit:400 W
- BDF-600S power supply unit:600 W
Combined power (+3.3V)
- BDF-400S power supply unit:90 W
- BDF-600S power supply unit:103 W
Combined power (+5V)
- BDF-400S power supply unit:90 W
- BDF-600S power supply unit:103 W
Max output current (+12V)
- BDF-400S power supply unit:33.36 A
- BDF-600S power supply unit:50 A
Number of SATA power connectors
- BDF-400S power supply unit:4
- BDF-600S power supply unit:6
Power supply unit (PSU) form factor
- BDF-400S power supply unit:PS/2
- BDF-600S power supply unit:ATX

Differences highlightedShow differences only

Comparison of BDF-400S, BDF-600S
39 specifications	A Chieftec BDF-400S power supply unit Model BDF-400S View product	B Chieftec BDF-600S power supply unit Model BDF-600S View product
Power4 differ
Total powerDiffers	400 W	600 W
Combined power (+3.3V)Differs	90 W	103 W
Combined power (+5V)Differs	90 W	103 W
Max output current (+12V)Differs	33.36 A	50 A
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	4	6
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
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance1 differ
Power supply unit (PSU) form factorDiffers	PS/2	ATX

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.