/    Measurement database » Power supplies » 12 V 33 A 400 W power supply or 48 V 8.3 A power supply
Support the project on Patreon


Comparison · Power supplies

12 V 33 A 400 W power supply or 48 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: In test: 48 V 8.3 A power supply (400 W vs. 120); Ripple: 48 V 8.3 A power supply (150 mV vs. 180).

Model12 V 33 A 400 W power supply12 V 33 A 400 W power supply2025Read review →48 V 8.3 A power supply48 V 8.3 A power supply2018Read review →
Voltage, V1248
Current, A338.3
Power, W400400
In test, W120400
Ripple, mV180150
Review conclusionWith reservationsWith reservations

Only in one review: Efficiency 84 % (12 V 33 A 400 W power supply); Temperature rise 110 °C (12 V 33 A 400 W power supply).

12 V 33 A 400 W power supply: Neatly built, but realistically suited to about 100 W continuous, not the claimed 400 W.

48 V 8.3 A power supply: Ripple meets the specification, but continuous output is only about 200 W; 400 W is available briefly.

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.

Compare two modelsor

Similar comparisons

← All: power supplies