Refurb Squared
5m (16ft) 400G QSFP-DD 8 x 50G PAM4 Active Direct Attach Copper Twinax Cable for FS Switches
5m (16ft) 400G QSFP-DD 8 x 50G PAM4 Active Direct Attach Copper Twinax Cable for FS Switches
ISO 14001:2015
ISO 45001:2018
ISO 9001:2015
The QSFP-DD Direct Attach Cable operates over active copper, which requires no additional power to ensure quality connectivity. This DAC is compliant with IEEE802.3cd and SFF-8636 MSA standards. It is suitable for cost effective close range interconnections within equipment room of telecom operators or data centers, interconnecting LAN or SAN applications with speeds up to 400G.
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.





