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Comparison · Power supplies

120 W power supply or MeanWell SDR-120-24

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: Temperature rise: MeanWell SDR-120-24 (81.6 °C vs. 84).

Model120 W power supply120 W power supply2025Read review →MeanWell SDR-120-24MeanWell SDR-120-242018Read review →
Power, W120120
Temperature rise, °C8481.6
Review conclusionWith reservationsRecommended

Only in one review: Voltage 24 V (MeanWell SDR-120-24); Current 10 A (120 W power supply); In test 180 W (MeanWell SDR-120-24); Ripple 400 mV (120 W power supply); Efficiency 89 % (MeanWell SDR-120-24).

120 W power supply: A decent 80–85 W supply, but it does not deliver the claimed 120 W; ripple is higher without an output choke.

MeanWell SDR-120-24: The PSU passed the tests; the author praised its build and protections but noted that the transformer runs quite hot.

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.

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