There were further tries for both Klaasen and Penxe after the break, but it was not enough to prevent a rampant Ulster from overpowering their hosts.
Sean Reidy and John Andrew both scored in the first half to keep Ulster in touch and the away team came to life in the second half.
— Ulster Rugby (@UlsterRugby) November 4, 2017
Edinburgh are fourth in the group, five points behind second-placed Ulster, after dispatching Ospreys 37-10.
Welshman Jason Tovey dominated the encounter for Edinburgh against his compatriots, scoring one try, converting four and sending over three penalties, as the visitors were held scoreless in the second half.
— Edinburgh Rugby (@EdinburghRugby) November 4, 2017
Cardiff Blues, meanwhile, ran in five tries at home to beat Zebre 37-8.
Sign up to our mailing list here and we’ll keep you up to the minute with weekly updates from the world of rugby.