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As expected, we don't see much difference in idle power consumption between the SSDs. Going from 2.5” SATA to mSATA has power-saving potential, but given already-low figures, the margin for consumption is minimal.
We repeated these tests several times, but it indeed seems that the mSATA device actually requires more power at peak throughput than its conventional 2.5” counterpart.
The same is the case for HD video playback, although power consumption is at similar levels, and clearly below the power required by a hard drive to deliver a high-def video stream.
Power consumption during lots of I/O activity is similar on both SSDs.