Spectrum SN6800
Canonical Summary
NVIDIA states liquid-cooled Spectrum SN6800 at 409.6 Tb/s across 512 ports of 800 Gb/s.
Lead Organization
NVIDIA
Key Technical Metric
409.6 Tb/s
Maturity / Status
Planned H2 2026
Governance / License
NVIDIA product
Technical Specifications
Bandwidth 409.6 Tb/s
Ports 512 ports at 800 Gb/s
ASIC Spectrum-6
Cooling Liquid-cooled
Stated efficiency 3.5x power efficiency vs previous architectures
Stated resiliency 10x by reducing optical component count
CPO loss on this page About 4 dB, vs up to 22 dB on a 200 Gb/s pluggable path
CPO power on this page As low as 9W; pluggable interfaces often 30W
Availability Spectrum-X Ethernet switches in the second half of 2026
Verification: reported · Retrieved: 2026-10-19 ·
Primary Source Reference