If you still use HDD's they pull around 10w each, 15w for the board is not too bad. (My current quite old machine is something like 40-50w, disks being the big draw), still at 15W you'll get a fair bit more perf than with any Arm board.
If you still use HDD's they pull around 10w each, 15w for the board is not too bad. (My current quite old machine is something like 40-50w, disks being the big draw), still at 15W you'll get a fair bit more perf than with any Arm board.