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Comparison · Power supplies

MN-400-12 or C400 power supply

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: In test: C400 power supply (360 W vs. 250); Test current: MN-400-12 (23 A vs. 6); Temperature rise: MN-400-12 (81 °C vs. 150).

ModelMN-400-12MN-400-122025Read review →C400 power supplyC400 power supplyRuiDeng · 2023Read review →
Power, W400400
In test, W250360
Test current, A236
Temperature rise, °C81150
Review conclusionWith reservationsRecommended

Only in one review: Voltage 12 V (MN-400-12); Current 33 A (MN-400-12); Under load 9.37 V (MN-400-12); Ripple 200 mV (MN-400-12); Efficiency 85 % (MN-400-12).

MN-400-12: Well-built with low ripple, but in practice it is rated for only 200–250 W, not 400 W.

C400 power supply: The PSU handles 360 W confidently and pleased the author overall, but its fan is noisy and one transistor runs hot.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.

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