Because the graphics card baffle interface is not a uniform specification standard.
Low Profile Bracket for Nvidia Tesla P4 M4 T4 Video Graphics Card
Low Profile Bracket For AMD Radeon Pro WX2100 WX3100 Professional Graphics Card
NVIDIA RTX 2000 Ada Generation Professional Graphics Board - NVIDIA RTX 2000 Ada
NVIDIA Quadro RTX 5000 16GB GDDR6 Professional Graphics card
Low Profile small form factor Bracket for Nvidia RTX A2000 VIDEO CARD
