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

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,

Buy PNY NVIDIA NVLink Bridge for RTX A6000 featuring For NVIDIA RTX A6000 Graphics Cards, 2-Slot Width Review PNY null

nvlink 4 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

nvlink bridge 3slot NVLINK Bridge , NVLINK Bridge NVIDIA RTX A6000 NVIDIA A100, NVLAMP-2SLOT-PB, NVLAMP-3SLOT-PB* NVIDIA A40, NVLAMP-2SLOT-PB