Comparison · Power supplies

12 V 8.3 A sealed power supply, 850 g or 12 V 100 W 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: 12 V 100 W power supply (11 A vs. 9); Ripple: 12 V 100 W power supply (25 mV vs. 100); Temperature rise: 12 V 8.3 A sealed power supply, 850 g (46 °C vs. 106).

Model	12 V 8.3 A sealed power supply, 850 g2026Read review →	12 V 100 W power supply2025Read review →
Voltage, V	12	12
Power, W	100	100
Test current, A	9	11
Ripple, mV	100	25
Protection, A	9.2	11
Temperature rise, °C	46	106
Review conclusion	Recommended	Recommended

Only in one review: Current 8.3 A (12 V 8.3 A sealed power supply, 850 g); Efficiency 88 % (12 V 8.3 A sealed power supply, 850 g); Weight 850 g (12 V 8.3 A sealed power supply, 850 g).

12 V 8.3 A sealed power supply, 850 g: A good supply with low ripple and heating, active power-factor correction and higher efficiency, but a relatively high price.

12 V 100 W power supply: A very good supply with low ripple, correctly set protection, and acceptable temperatures.

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.