The Ciena NTK605GE is a compact, high-performance Gigabit Ethernet interface card designed for reliable, scalable network expansion, making it an ideal choice for cost-effective upgrades in used optical networking systems.

The Ciena NTK605FA is a compact, high-performance optical networking module designed for reliable signal amplification and flexible deployment in dense network environments, making it an ideal choice for cost-effective expansion in used hardware setups.

The Ciena NTK603ZAE6 is a high-performance optical transponder module designed for dense wavelength-division multiplexing (DWDM) networks, offering reliable 100G transport and seamless integration into existing Ciena platforms—ideal for expanding capacity in used network hardware environments.