Ulster made it 3 wins from 3 in this season's URC.
Juarno Augustus scored his first try as the hosts ran out 28-7 winners over the Bulls in Belfast.
Meanwhile, Connacht were beaten for the first time this year as they came away from Cardiff with a 14-8 loss.
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Earlier, Leinster got themselves off the mark with a bonus point 31-5 victory at home to the Sharks.
