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Comparison · Power supplies

5 V 40 A power supply (200 W), passive cooling or CTG-200W-12V

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: 5 V 40 A power supply (200 W), passive cooling (43.5 A vs. 19.2); Ripple: CTG-200W-12V (160 mV vs. 170); Efficiency: CTG-200W-12V (86.5 % vs. 80); Temperature rise: CTG-200W-12V (118 °C vs. 135).

Model5 V 40 A power supply (200 W), passive cooling5 V 40 A power supply (200 W), passive cooling2026Read review →CTG-200W-12VCTG-200W-12V2025Read review →
Voltage, V512
Current, A4016.7
Power, W200200
Test current, A43.519.2
Under load, V4.9912.162
Ripple, mV170160
Efficiency, %8086.5
Temperature rise, °C135118
Review conclusionNot recommendedRecommended

Only in one review: Protection 43.5 A (5 V 40 A power supply (200 W), passive cooling).

5 V 40 A power supply (200 W), passive cooling: Cannot sustain its rated 200 W: major components overheat at full load, and ripple is high.

CTG-200W-12V: Praised for its sound topology, overvoltage protection, and excellent regulation; the input capacitor is undersized.

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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