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Comparison · Power supplies

48 V 8.3 A, 400 W power supply 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: Test current: 48 V 8.3 A, 400 W power supply (6.5 A vs. 6); Temperature rise: 48 V 8.3 A, 400 W power supply (90 °C vs. 150).

Model48 V 8.3 A, 400 W power supply48 V 8.3 A, 400 W power supply2026Read review →C400 power supplyC400 power supplyRuiDeng · 2023Read review →
Power, W400400
Test current, A6.56
Temperature rise, °C90150
Review conclusionWith reservationsRecommended

Only in one review: Voltage 48 V (48 V 8.3 A, 400 W power supply); Current 8.3 A (48 V 8.3 A, 400 W power supply); In test 360 W (C400 power supply); Under load 41 V (48 V 8.3 A, 400 W power supply); Ripple 60 mV (48 V 8.3 A, 400 W power supply); Efficiency 90 % (48 V 8.3 A, 400 W power supply); No load 1.2 W (48 V 8.3 A, 400 W power supply).

48 V 8.3 A, 400 W power supply: Good build and performance, but 400 W is too much; the author recommends no more than 250 W continuously.

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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