2024年Q1 NVIDIA発表のSpectrum-X800・NVIDIA Spectrum-X (AI Ethernet platform brand) Top-tier switch SN5800・Spectrum-4 chip (51.2 Tbps switching・64 × 800G ports) + BlueField-3 DPU SmartNIC + NVIDIA AI Networking software + RoCEv2 + Adaptive Routing + Programmable Telemetry・xAI Colossus (Memphis 100,000 H100 cluster) Standard fabric採用 + Microsoft Azure / Oracle Cloud / Meta次世代deployment・Arista 7800R4 / Cisco Nexus 9800 direct competitor のNVIDIA Spectrum-X branded AI Ethernet switch。