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Comparison · Power supplies

BP120B-D9-24C or UM-U120S

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: BP120B-D9-24C (80 mV vs. 220); Efficiency: BP120B-D9-24C (87 % vs. 85); No load: UM-U120S (1.2 W vs. 3.5); Temperature rise: UM-U120S (100 °C vs. 125); Price: UM-U120S (11.99 $ vs. 110).

ModelBP120B-D9-24CBP120B-D9-24COven · 2021Read review →UM-U120SUM-U120S2021Read review →
Voltage, V2412
Current, A510
Power, W120120
Ripple, mV80220
Efficiency, %8785
No load, W3.51.2
Temperature rise, °C125100
Price, $11011.99
Review conclusionWith reservationsWith reservations

Only in one review: In test 140 W (BP120B-D9-24C).

BP120B-D9-24C: It delivers its rated power and holds voltage accurately, but runs hot and is expensive.

UM-U120S: Overall, the power supply is decent, but needs cooling for sustained operation at its rated power.

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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