Comparison · Power supplies

Desktop 120 W 10 A or 48 V 2.5 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: In test: 48 V 2.5 A power supply (150 W vs. 60); Test current: Desktop 120 W 10 A (6 A vs. 3.03); Ripple: 48 V 2.5 A power supply (20 mV vs. 1000); Efficiency: 48 V 2.5 A power supply (88.8 % vs. 85.5); Temperature rise: 48 V 2.5 A power supply (100 °C vs. 135).

Model	Desktop 120 W 10 A2026Read review →	48 V 2.5 A power supply100MHz · 2018Read review →
Voltage, V	12	48
Current, A	10	2.5
Power, W	120	125
In test, W	60	150
Test current, A	6	3.03
Ripple, mV	1000	20
Efficiency, %	85.5	88.8
Temperature rise, °C	135	100
Review conclusion	Not recommended	Recommended

Only in one review: Protection 10.6 A (Desktop 120 W 10 A); Weight 230 g (48 V 2.5 A power supply); Price 4.69 $ (48 V 2.5 A power supply).

Desktop 120 W 10 A: Neatly built with functioning protection, but actual power is only about 60 W instead of 120 W, with severe overheating.

48 V 2.5 A power supply: This inexpensive power supply is well built, delivers its rated power steadily, and the author recommends it.

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.