Comparison · Power supplies

100 W, 12 V, 8.3 A power supply in metal case or Sealed 100 W, 12 V, 8.3 A 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: Ripple: 100 W, 12 V, 8.3 A power supply in metal case (100 mV vs. 800); Efficiency: Sealed 100 W, 12 V, 8.3 A power supply (87.5 % vs. 84); Temperature rise: Sealed 100 W, 12 V, 8.3 A power supply (58 °C vs. 136).

Model	100 W, 12 V, 8.3 A power supply in metal case2026Read review →	Sealed 100 W, 12 V, 8.3 A power supply2026Read review →
Voltage, V	12	12
Current, A	8.3	8.3
Power, W	100	100
Test current, A	8.3	8.3
Ripple, mV	100	800
Efficiency, %	84	87.5
No load, W	0.5	0.5
Protection, A	11.5	11.5
Temperature rise, °C	136	58
Review conclusion	With reservations	With reservations

100 W, 12 V, 8.3 A power supply in metal case: A budget model with sensible cost-cutting, but with concerns about heat, the case, and low-frequency ripple.

Sealed 100 W, 12 V, 8.3 A power supply: Heat and stability are good, but ripple reaches 800 mV at maximum load.

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.