Even if you count 4W for each drive (which is quite generous), it's only 4x6W=24W. But keep in mind that the quality of the PSU affects the performance and life expectancy of the drives.
Even if you count 4W for each drive (which is quite generous), it's only 4x6W=24W. *But* keep in mind that the quality of the PSU affects the performance and life expectancy of the drives.
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