Yorkshireman Rob Harker struck twice and Adam Phillips claimed his first goal as a Claret as the U23s re-ignited their push towards the top of the table.
Steve Stone’s youngsters remain the only unbeaten side in the northern group of the Professional Development League.
And a third win in four games lifted them up to second place – at last until Hull City play this evening – as they over-powered the Blades at Bramall Lane.
Harker claimed his first goals of the season and could have left with the match-ball as he proved too hot to handle in the Steel city.