ASROCK X570 TAICHI User Manual page 37

Ryzen series CPUs (Matisse):
Single Graphics Card
Two Graphics Cards in
CrossFireX
Mode
Three Graphics Cards in
3-Way CrossFireX
Ryzen series APUs (Renoir):
Single Graphics Card
Two Graphics Cards in
CrossFireX
Mode
Three Graphics Cards in
3-Way CrossFireX
30
PCIE1
Gen4x16
TM TM
or SLI
Gen4x8
Gen4x8
TM
Mode
PCIE1
Gen3x16
TM TM
or SLI
Gen3x8
Gen3x8
TM
Mode
PCIE3 PCIE4
N/A N/A
Gen4x8 N/A
Gen4x8 Gen4x4
PCIE3 PCIE4
N/A N/A
Gen3x8 N/A
Gen3x8 Gen4x4