Trends
Ciena acquires Nubis to power AI data centres
In an all-cash transaction worth US$270 million, Ciena is purchasing optical connector specialist Nubis Communications. The action is intended to increase its data center networking capabilities, particularly in light of the growing need for AI workloads. How well the integration results in addition…

Headline
In an all-cash transaction worth US$270 million, Ciena is purchasing optical connector specialist Nubis Communications. The action is intended to increase its data center networking capabilities, particularly in light of the growing need for AI workloads. How well the…
Context
What happened: Ciena buys Nubis to bolster AI-ready data centre interconnects Ciena has agreed to purchase Nubis Communications in a transaction worth US$270 million in cash. The acquisition was approved by both companies’ boards and by Nubis’ shareholders, and is expected to complete in Ciena’s fiscal Q4 2025, subject to customary regulatory conditions.
Evidence
Pending intelligence enrichment.
Analysis
Nubis is known for its technologies in ultra-compact, low-power optical and electrical interconnects aimed at accelerating and optimising data centre performance for AI systems. Key innovations include Co-Packaged and Near-Packaged Optics (CPO/NPO) capable of supporting up to 6.4 Tb/s full-duplex bandwidth, and high-speed, low-latency “Active Copper Cables” (ACC) for rapid data movement across racks. Ciena says Nubis’ technologies will complement its existing high-speed interconnect portfolio, helping to manage increasing AI traffic inside data centres. The acquisition follows strong recent performance for Ciena, with data centre growth cited alongside demand from service providers, hyperscalers and emerging neoscalers as major drivers. Also read: Salesforce pledges $6B to build UK AI hub Also read: Capacity Europe 2025 sets stage for fibre, AI and infrastructure
Key Points
- Nubis Communications, a business that specializes in ultra-compact, low-power optical and electrical interconnects for AI-centric systems, will be acquired by Ciena.
- The US$270 million deal is anticipated to completion in Ciena’s fiscal Q4 2025, subject to customary shareholder and regulatory approvals.
Actions
Pending intelligence enrichment.





