Ciena competitors
As of 2026-10-09, Ciena's closest competitors in Networking & Systems are Dell Technologies, Arista Networks and Accton Technology Corporation. wafergraph tracks 16 companies in Networking & Systems; Ciena is positioned as a market major there with a market cap of $60.4B, and the largest competitor by market cap is Cisco Systems at $453.0B.
Data as of 2026-10-09 · peers = companies sharing Ciena's primary Networking & Systems segment in the wafergraph taxonomy · ordered by market position, then market cap
Who competes with Ciena
| Competitor | Position | Country | Market cap | Revenue | Compare |
|---|---|---|---|---|---|
| Dell Technologies | leader | United States | $365.3B | $113.5B | Ciena vs Dell Technologies |
| Arista Networks | leader | United States | $266.1B | $9.0B | Ciena vs Arista Networks |
| Accton Technology Corporation | leader | Taiwan | $36.3B | $7.8B | Ciena vs Accton Technology Corporation |
| Cisco Systems | major | United States | $453.0B | $63.3B | Ciena vs Cisco Systems |
| Hewlett Packard Enterprise | major | United States | $94.3B | $34.3B | Ciena vs Hewlett Packard Enterprise |
| Nokia | major | Finland | $56.8B | $21.5B | Ciena vs Nokia |
| Celestica | major | Canada | $45.0B | $12.4B | Ciena vs Celestica |
| Super Micro Computer | major | United States | $28.1B | $39.1B | Ciena vs Super Micro Computer |
| Pure Storage | major | United States | $22.4B | — | Ciena vs Pure Storage |
| ZTE | major | China | $20.8B | $20.0B | Ciena vs ZTE |
| Huawei | major | China | Unpriced | $100.2B | Ciena vs Huawei |
| Juniper Networks | major | United States | Unpriced | — | — |
| New H3C | major | China | Unpriced | — | — |
| DriveNets Ltd. | challenger | Israel | Unpriced | — | — |
| VAST Data | challenger | United States | Unpriced | — | — |
Suppliers Ciena shares with its competitors
A supplier shared across rivals is a segment-level chokepoint: if it fails, the whole peer group feels it at once.
Customers Ciena shares with its competitors
Frequently asked questions3
- Who are Ciena's competitors?
- Ciena's closest competitors in Networking & Systems are Dell Technologies, Arista Networks and Accton Technology Corporation; wafergraph tracks 15 rivals in that segment.
- Who is Ciena's largest competitor?
- Cisco Systems is the largest Networking & Systems competitor by market cap ($453.0B).
- How many companies compete in Networking & Systems?
- wafergraph tracks 16 companies in Networking & Systems, including Ciena.
Cite as: wafergraph, “Ciena competitors — 15 rivals in Networking & Systems, compared”, https://wafergraph.com/competitors/ciena (data as of 2026-10-09).
Open Ciena in the interactive supply-chain view →
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly