GPU Compatibility:
Length: Maximum 356MM 
Thickness: Maximum 62MM thick (with the big L-type support bracket) 
Width:
HDD Tray Panel Scenario: 100MM ~ 150MM 
Fan Bracket Scenario: 121MM~150MM 
Water block GPU: Maximum 158MM
 
NOTE: It is unknown whether 40 Series NVIDIA GPUs will be compatible. We recommend purchasing the additional bracket from Lian Li, specifically designed for the 40 Series NVIDIA GPUs.