This is a perfect solution for double dense.

This reference guide lists available joint solutions by NVIDIA and IBM. can support up to 80 ports of 100G to create the densest TOR switch available in the market. These switches and adapters enable extreme computing, real-time response, I/O consolidation, and power savings for cloud computing, big data, modern HPC, data analytics, storage, artificial intelligence (AI), and deep learning application environments. Connectivity is provided by NVIDIA ConnectX-4 Lx, ConnectX-5, ConnectX-6, and ConnectX-6 Dx adapter cards, providing IBM customers the ability to run either 10/25/40/100 GbE or 100/200 Gb/s InfiniBand. IBM offers a wide range of NVIDIA Ethernet switches at 1GbE with up to 48 ports, 10/25|40/100 GbE with 48/8 ports, 40/100 GbE with 32 ports, and NVIDIA InfiniBand switches at EDR with 36 ports, and HDR with 40 ports. IBM Power servers and Storage systems address next-generation business challenges, offering enterprises an optimal approach to meet the technology needs of companies that operate from massive data centers to small enterprises for hybrid and multi-cloud, plus scale out and scale up servers and storage for a wide variety of mixed workloads.

Hdr ib tor switch