Comparison · Power supplies

24 V 8–10 A power supply or S-240-12

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: S-240-12 (60 mV vs. 650); Efficiency: 24 V 8–10 A power supply (87 % vs. 84); No load: 24 V 8–10 A power supply (0.1 W vs. 4.2).

Model	24 V 8–10 A power supply2020Read review →	S-240-122017Read review →
Voltage, V	24	12
Current, A	10	20
Power, W	240	240
Ripple, mV	650	60
Efficiency, %	87	84
No load, W	0.1	4.2
Review conclusion	With reservations	With reservations

Only in one review: In test 250 W (S-240-12); Test current 20 A (S-240-12); Under load 24.382 V (24 V 8–10 A power supply); Temperature rise 70 °C (24 V 8–10 A power supply).

24 V 8–10 A power supply: Usable with reservations: without forced cooling it sustains only 150–160 W, and ripple is high.

S-240-12: An average Chinese power supply with low ripple and stable voltage, but middling build quality and unknown components.

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.