ASROCK B550M-C R2.0 - Page 33

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For a better thermal environment, please connect a chassis fan to the motherboard’s
chassis fan connector (CHA_FAN1/WP, CHA_FAN2/WP or CHA_FAN3/WP )
when using multiple graphics cards.
Ryzen series APUs (Picasso):
PCIE1 PCIE4
Single Graphics Card Gen3x8 N/A
Two Graphics Cards in
CrossFireX
TM
Mode
Gen3x8 Gen3x4