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Cisco Systems CVR-CFP-4SFP10G
CVR-CFP-4SFP10G
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BLOG

January 07, 2026
Terabit Systems
Highway offramp meme with 400G ahead and 100G to the right
Why 100G Isn’t Dead — And Why 2026 Is the Year Smart Networks Stop Chasing 400G

If you listen to vendor roadmaps and conference keynotes, you’d think anything below 400G belongs in a museum. But step into real networks in 2026 — service providers, regional ISPs, enterprise data centers, hybrid-cloud edges — and a very different reality emerges.

100G...

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