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Comparison · Power supplies

5 V 100 W power supply or 12 V 100 W

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: 5 V 100 W power supply (100 mV vs. 450).

Model5 V 100 W power supply5 V 100 W power supply2026Read review →12 V 100 W12 V 100 W2025Read review →
Voltage, V512
Current, A208.3
Power, W100100
Ripple, mV100450
Temperature rise, °C135135
Review conclusionWith reservationsWith reservations

Only in one review: In test 75 W (5 V 100 W power supply); Efficiency 72 % (5 V 100 W power supply).

5 V 100 W power supply: A decent 75 W supply, but its output inductor overheats at 100 W.

12 V 100 W: The board heated noticeably at 7 A; the author thinks the potted unit may manage its rated current.

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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