3-slot or 4-slot NVLink bridge for Rampage 4 Extreme?

nvlink bridge 3slot   Dan nvlink bridge 4slot

Anyone have a purchase link for a three-slot nvlink link bridge for the 3090 series? I have read that the a6000 nvlink will work,

NVIDIA NVLINK Bridge 2-WAY 3-SLOT x16 Increasing compute demands in AI and high-performance computing including an emerging class of NVIDIA GeForce RTX NVLINK BRIDGE 4-SLOT, for 3090 and 30 Series Graphics Cards $118 Special Shipping

prada slot Zotac RTX NVLink Bridge RGB 3-Slot The Zotac GAMING GeForce RTX NVLink bridge connects two NVLink SLI-ready graphics cards to enable more bandwidth This CHOOSE THE RIGHT NVLINK BRIDGE FOR YOUR NVIDIA GPUs ; NVIDIA NVLink Bridge 2-Slot NVIDIA NVLink Bridge 3-Slot 600 GBs Three NVLink Bridges Required ; NVIDIA