Product comparison · 2 power supply units

be quiet! SFX Power vs be quiet! TFX Power

Key differences

Differences highlightedShow differences only

Comparison of SFX Power, TFX Power
51 specifications	A be quiet! SFX Power View product	B be quiet! TFX Power View product
Power7 differ
Total powerDiffers	350 W	300 W
Input currentDiffers	3 - 5.5 A	2.5 - 4.5 A
Combined power (+3.3V)Differs	125 W	110 W
Combined power (+12V)Differs	300 W	250 W
Combined power (+5V)Differs	125 W	110 W
Combined power (-12V)Known for one	Unknown — not stated by the source	6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	10 W
Max output current (+12V)Differs	25 A	20.83 A
Max output current (+5Vsb)Differs	2.5 A	2 A
Ports & interfacesidentical
Cabling typeKnown for one	Unknown — not stated by the source	Non-Modular
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
Performance1 differ
Power supply unit (PSU) form factorDiffers	SFX	TFX
ATX versionKnown for one	Unknown — not stated by the source	2.3
Design1 differ
Fan speedDiffers	4000	3600
Weight & dimensions3 differ
WidthDiffers	125 mm	85 mm
DepthDiffers	100 mm	175 mm
HeightDiffers	63.5 mm	70 mm
WeightKnown for one	1 kg	Unknown — not stated by the source
Packaging data1 differ
Package weightDiffers	1.27 kg	1.41 kg
Other features1 differ
Package dimensions (WxDxH)Differs	199 x 195 x 75 mm	159 x 195 x 80 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.