AI Datacenters Were Built for GPUs. What Happens When You Remove the GPUs?

🌙 ☀️ Old Model AI Shift RDMA & PFC InfiniBand ECMP Limits Ultra Ethernet Almartis What's Next Almartis Manifesto Blog ← Back to Blog Infrastructure · May 2026 AI Datacenters Were Built for GPUs.What Happens When You Remove the GPUs? Published by Alassane Sakandé, Kevin Simpore Date May 2026 Reading time ~10 min The old model For the past few decades, building a datacenter has been a well-understood, predictable exercise in utility engineering. You provisioned compute servers, attached storage a