Comparison · Power supplies

5 V 40 A power supply (200 W), active cooling or S-200-5

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: These devices have no measurements in common that would show one is better than the other. Compare the review conclusions below.

Model	5 V 40 A power supply (200 W), active cooling2026Read review →	S-200-52017Read review →
Voltage, V	5	5
Current, A	40	40
Power, W	200	200
Review conclusion	Recommended	Not recommended

Only in one review: Test current 50 A (5 V 40 A power supply (200 W), active cooling); Under load 4.98 V (5 V 40 A power supply (200 W), active cooling); Ripple 70 mV (5 V 40 A power supply (200 W), active cooling); Efficiency 77.5 % (5 V 40 A power supply (200 W), active cooling); Protection 50 A (5 V 40 A power supply (200 W), active cooling); Temperature rise 80 °C (S-200-5).

5 V 40 A power supply (200 W), active cooling: Handles 200 W with low ripple and reasonable temperatures, but comes with a cheap fan.

S-200-5: The power supply has serious assembly defects and low-quality components; the author considers it unreliable.

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.