400W Power Supplies
Browse 52 400W units with full specs and sorting.
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Showing 52 of 52 entries in 400W
Brand
Series
Wattages
Tier
Year
Size
ATX Ver.
Input
Modular
Eff.
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ODM
Platform
↪ Notes: PPFC - no 80 Plus or Cybenetics rating
↪ Notes: Non modular variant of the Pure Power 10 CM, virtually identical.
↪ Notes: Weak 3.3V transient response, mediocre electrical performance, and claimed rifle bearing but yet to be proven.
↪ Notes: Sleeve bearing fan, during OPP testing at around 30% of the 500W model do the minor rail falls out of ATX specification.
↪ Notes: Voltage regulation is out of ATX specifications on the minor rails; also not independently regulated.
↪ Notes: "85% 230V only", ketchup and mustard cables, not independently regulated. Doesn't have OCP according to this review.
↪ Notes: Fake 80+ 230V only certification label, ketchup and mustard cables, not independently regulated. White label. No OCP.
↪ Notes: Basically Elite V4 but full range
↪ Notes: Complete e-waste. Extremely poor build and component quality all around.
↪ Notes: PPFC, e-waste, only rated for a continuous operating temperature of 25C.
↪ Notes: Not enough extensive testing.
↪ Notes: Initial batches of the unit were shipped without the OCP chip, supposedly newer batches have this new fuse chip but yet confirmed.
↪ Notes: Actual 12V line output is 50 watts less than the model name (despite being DC-DC), numerous minute issues; overall suboptimal quality.
↪ Notes: Extremely low 12V line output relative to total capacity. The "1000W" model has only 750W available to the +12V line.
↪ Notes: No OCP, faulty UVP on 3.3V, bad electrical performance.
↪ Notes: PPFC; bundled with select Rosewill cases.
↪ Notes: 2 year warranty, sleeve bearing fan. Miserable electrical performance.
↪ Notes: Not independently regulated and no 80+ or Cybenetics certification
↪ Notes: PPFC; e-waste, same as the 83+ XE