NVIDIA Active Fiber Splitter Cable, IB HDR, 2x200Gb/s to 2x200Gb/s, 2xQSFP56 to 2xQSFP56, LSZH, 10m

For the same fully interconnected setup between two Spine switches and two Leaf switches, a single 2x200G HDR branch cable (occupying 4 ports with 4 modules) can achieve 100G bidirectional bandwidth. In contrast, using HDR 200G direct cables would require 4 cables and occupy 8 switch ports to achieve 200G bidirectional bandwidth. While direct connection cables provide higher bandwidth, they limit network scalability compared to the 2x200G branch cable due to port limitations.

For the same fully interconnected setup between two Spine switches and two Leaf switches, a single 2x200G HDR branch cable (occupying 4 ports with 4 modules) can achieve 100G bidirectional bandwidth. On the other hand, using HDR100G direct cables would require 4 cables and occupy 8 switch ports to achieve 100G bidirectional bandwidth. This setup greatly wastes switch port resources compared to the 2x200G branch cable.