Munster and Leinster will both be involved in the last 8.
Munster's Heineken Champions Cup quarter-final against holders Toulouse will have a 3pm kick-off at the Aviva Stadium on Saturday, May 7th.
Leinster's trip to Premiership leaders Leicester will be played on the same day, with a 5.30pm start at Welford Road.
Ronan O'Gara's La Rochelle take on Montpellier in an all-French encounter at the same time at Stade Marcel-Deflandre.
The other last-eight tie will be played on Sunday the 8th of May, where Racing 92 host Sale Sharks at 3pm Irish time.

Friday Morning Sports Update
Thursday Morning Sports Update
Former Liverpool And Blackburn Full-Back Inge Bjornebye Joins Rangers As Football Consultant And Advisor
Lizzy Kent Appointed FAI's New Head Of Women And Girls Football
No Afternoon Session At The PDC World Darts Championship Today
Wednesday Morning Sports Update
Tuesday Morning Sports Update