Daniel Riordan, Conor Muldoon, David Gannon and Mel Deane have all been called up since Connacht beat Dax last time out in January but Director of Rugby, Michael Bradley is still wary of the threat posed by the Welsh side.
"They've a lot of strength in depth and despite missing some players with the Six Nations underway they'll still be able to field a very strong side," he said. "We've two matches during the Six Nations against the Ospreys and Cardiff and know that we'll be facing some depleted sides and with that it mind it's an opportunity for us to get some championship points.
"They're currently lying in second in the table and they've shown some fine form in the Heineken Cup too which has got them to the quarter finals so we know we'll have a very tough game come Sunday.
Connacht squad: L Bibo, A Browne, K Campbell, F Carr, S Cronin, M Deane, A Dunne, G Duffy, A Farley, A Flavin, D Gannon, I Keatley, R Loughney, K Matthews, R Morris, C Muldoon, J Muldoon, F Murphy, T Nathan, R Ofisa, C Rigney, D Riordan, M Swift, N Ta'auso, B Wilkinson.