Refurb Squared
NC8400-16CD,16-Port 100Gb QSFP28 Line Card, with 4x400Gb QSFP-DD for Data Center Chassis Switch NC8400-4TH
NC8400-16CD,16-Port 100Gb QSFP28 Line Card, with 4x400Gb QSFP-DD for Data Center Chassis Switch NC8400-4TH
ISO 14001:2015
ISO 45001:2018
ISO 9001:2015
The NC8400-16CD Ethernet line card supports 16x 40/100G QSFP28 ports and 4x 400G QSFP-DD, offering line-rate forwarding from all ports. The QSFP28 ports are backward compatible with QSFP+ modules. Enabling it to meet the demand for growing high-bandwidth and service. This line card supports high availability and is ideal for different scenarios of data center networks.
Enterprise Grade Performance
Enterprise Grade Performance
Our networking cables and optical transceivers are designed for high-performance enterprise networks. They support fast data transmission, stable connectivity, and consistent signal strength across switches, servers, and routers.
Wide Device Compatibility
Wide Device Compatibility
These modules are engineered to work with many leading networking brands such as Cisco, Juniper, Arista, and other enterprise systems. They integrate easily into existing network infrastructure.
Simple Plug And Play Setup
Simple Plug And Play Setup
Installation is quick and easy. Simply insert the cable or transceiver into the compatible port and it begins operating immediately without complicated configuration.
Reliable Connection Stability
Tested And Verified Products
Affordable Enterprise Pricing

Competitive Pricing
Refurb Squared networking hardware delivers high-speed connectivity using tested optical modules and enterprise-grade cables built for reliability and seamless device compatibility.
Built For Reliable Networking
At Refurb Squared we provide high-quality networking hardware trusted by engineers and IT professionals. Our mission is to deliver reliable technology at affordable prices.





