You can use the X8DTU-F motherboard with the chassis 815TQ-R650U or the SuperServer 6016T-NTF.
On the left-hand side, you can install two add-on cards AOC-SG-I4 on the riser card RSC-R1UU-2E8. On the right hand side, you can install one add-on-card AOC-PG-I2+ on the riser card RSC-R1UU-E8PR.