FSP Group AU-400FL 400W vs FSP Group Dagger Pro 650W

A side-by-side spec comparison of the FSP Group AU-400FL 400W and the FSP Group Dagger Pro 650W. We line up every specification and score the ones that matter most in this category — weighted, not a raw count of specs won — to reach an overall verdict so you can decide which power supply is right for your build.

Side-by-side specification comparison of FSP Group AU-400FL 400W and FSP Group Dagger Pro 650W.
Specification	FSP Group AU-400FL 400W No price data	FSP Group Dagger Pro 650W $139.99 Winner Buy on Newegg
Modular	semi	full
Wattage	400W	650W
Efficiency	80+ Gold	80+ Gold
Form Factor	ATX	SFX

Winner: FSP Group Dagger Pro 650W — driven by Wattage (650W), Modular (full)

FSP Group AU-400FL 400W

performance points

FSP Group Dagger Pro 650W

performance points

Winner is scored by weighting the specs that matter most in this category (not a raw count of specs won).

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