question: Even though USB 3.0 's 4.5 W is sometimes insufficient to power external hard drives , technology is what ?
answer: advancing and external drives gradually need less power
turker_answer: Even though USB 3.0 's 4.5 W is sometimes insufficient to power external hard drives , technology is advancing and external drives gradually need less power .
rule-based: Even though USB 3.0 's 4.5 W is sometimes insufficient to power external hard drives , technology is advancing and external drives gradually need less power .