Comparison · Power supplies

19 V 3.42 A power supply or 12 V 5 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: Test current: 12 V 5 A power supply (6 A vs. 5.4); Ripple: 12 V 5 A power supply (15 mV vs. 300); Temperature rise: 12 V 5 A power supply (72 °C vs. 130).

Model	19 V 3.42 A power supply2022Read review →	12 V 5 A power supplyLight Route · 2020Read review →
Test current, A	5.4	6
Ripple, mV	300	15
Protection, A	5.4	6
Temperature rise, °C	130	72
Review conclusion	With reservations	Recommended

Only in one review: Voltage 12 V (12 V 5 A power supply); Current 5 A (12 V 5 A power supply); No load 2.2 W (19 V 3.42 A power supply).

19 V 3.42 A power supply: The cheap PSU works, but has high ripple, heat, and weak protection; the author modified it for lighter loads.

12 V 5 A power supply: Well-built and stable, delivering up to 5.5–6 A depending on temperature; the author considers it a good unit.

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.