Complex sentence: NCQ is Power Efficient as it consumes less power because the drive heads do less movements for the same task.Moreover NCQ has better Power Efficiency compared to TCQ because it uses less than half interrupts for any given transfer and thus consumes less power.
Split into simpler sentences: NCQ is Power Efficient as it consumes less power because the drive heads do less movements for the same task. Moreover, NCQ has better Power Efficiency compared to TCQ because it uses less than half interrupts for any given transfer and thus consumes less power.