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Comparison · Power supplies

PTA-600W-12V (500 W, 40 A) or DPS-460EB A

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: PTA-600W-12V (500 W, 40 A) (150 mV vs. 600); Efficiency: DPS-460EB A (92 % vs. 84); Temperature rise: DPS-460EB A (60 °C vs. 105).

ModelPTA-600W-12V (500 W, 40 A)PTA-600W-12V (500 W, 40 A)2025Read review →DPS-460EB ADPS-460EB AHP · 2019Read review →
Current, A4038.3
Power, W480460
Ripple, mV150600
Efficiency, %8492
Temperature rise, °C10560
Review conclusionWith reservationsWith reservations

Only in one review: Voltage 12 V (DPS-460EB A); In test 470 W (DPS-460EB A); No load 7 W (DPS-460EB A).

PTA-600W-12V (500 W, 40 A): Ripple is low, but cooling problems limit sustained operation to roughly 30–32 A.

DPS-460EB A: This compact, well-built used PSU handled 470 W, but has high ripple and a loud fan.

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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