Ulster sought to put in a performance that characterised the determination and will to win of Nevin Spence. That was evident from as early as the 16th minute when centre Michael Allen showed great strength to hold off the attentions of Dafydd Hewitt to score the first try of the evening. The 21 year old picked up an ankle injury in the process and was replaced a short time later by Paddy Wallace.
Nick Williams had made the initial dent for that try and he was soon celebrating a score of his own. Scrumhalf Paul Marshall made a great blindside break, Iain Henderson made further progress, before the giant New Zealander rumbled over from short range.
At half time Ulster had a 9 points to 17 lead but if the first 40 minutes were good, the second 40 were nothing short of outstanding.
With eight minutes of the second half gone, superb handling from Paddy Jackson in midfield released Jared Payne, who in turn passed to Tommy Bowe, who crossed in the corner for his first try back in an Ulster jersey.
Jared Payne then turned provider for himself - chipping the ball over the Cardiff defence before collecting to score and maintain his recent fantastic run of form.
Bonus point secured, Ulster began to run Cardiff ragged. Tommy Bowe scored his second of the night when a flowing Ulster backline move put him through.
A Harry Robinson score for the home side provided Cardiff with some reprieve, but the onslaught resumed a short time later when Craig Gilroy ran a third of the pitch, through at least four tackles, before offloading to Nick Williams who powered over for his second and Ulster's sixth try of the evening.
A remarkable night's work was complete when Andrew Trimble scored a seventh Ulster try with five minutes remaining.
Jackson converted to take his points tally for the match to 13.
Ulster are now four wins out of four in the league this season. They host Connacht next Friday at Ravenhill (click here for tickets) before taking on Castres in the Heineken Cup a week later. On this form, they will fear no-one.
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