Cardiff have made three changes to the side that defeated Ospreys with prop Danny Southworth, lock Josh McNally and flanker Thomas Young coming in for Corey Domachowski, Ben Donnell and Alex Mann.
Domachowski and Donnell drop to the replacements bench, while Mann, who scored two tries against Ospreys, is not included in the 23-man squad.
Munster have made seven changes to the side that lost to Bulls at Thomond Park last week.
Michael Milne will make his debut with Mike Haley, Calvin Nash, Craig Casey and Gavin Coombes all returning from injury or illness.
Veteran flanker Peter O’Mahony is again missing as he recovers from a tight hamstring, while Tom Ahern, Stephen Archer, Conor Murray, Josh Wycherley and John Hodnett are also unavailable.
Cardiff: Cam Winnett; Josh Adams, Harri Millard, Ben Thomas, Gabriel Hamer-Webb; Callum Sheedy, Johan Mulder; Danny Southworth, Liam Belcher (capt), Keiron Assiratti, Josh McNally, Teddy Williams, James Botham, Thomas Young, Taulupe Faletau.
Replacements: Evan Lloyd, Corey Domachowski, Rhys Litterick, Rory Thornton, Alun Lawrence, Ben Donnell, Aled Davies, Tinus de Beer.
Munster: Mike Haley; Calvin Nash, Tom Farrell, Alex Nankivell, Thaakir Abrahams; Jack Crowley, Craig Casey; Michael Milne, Niall Scannell, John Ryan, Fineen Wycherley, Tadhg Beirne (capt), Jack O’Donoghue, Alex Kendellen, Gavin Coombes.
Replacements: Diarmuid Barron, Mark Donnelly, Ronan Foxe, Jean Kleyn, Ruadhán Quinn, Paddy Patterson, Tony Butler, Seán O’Brien.
Referee: Gianluca Gnecchi (FIR)
Assistant referees: Mike English & Aaron Parry (WRU)
TMO: Stefano Roscini (FIR).
