Need some help from the community on this server build: RTX Pro 4500 x4 ($3,299) or used 40GB A100 x4 off eBay (around $4,000/ea). The RTX Pro 4500 means I have to go the route of getting a PCIe switch, inviting a fair amount of complexity. A100 means I just need to find NVLink bridge adapters and hope I’m not buying a GPU from eBay that’s on its last leg. Those are my frantic thoughts after letting four $10k RTX 6000 Pro deals expire in my cart last week. Any feedback is appreciated. What...