Refurb Squared
0.5m (2ft) Cisco QSFP-100G-CU0.5M Compatible 100G QSFP28 4 x 25G NRZ Passive Direct Attach Copper Twinax Cable
0.5m (2ft) Cisco QSFP-100G-CU0.5M Compatible 100G QSFP28 4 x 25G NRZ Passive Direct Attach Copper Twinax Cable
ISO 14001:2015
ISO 45001:2018
ISO 9001:2015
The 100G QSFP28 Passive Direct Attach Copper Twinax Cable offers a cost-effective solution for establishing a 100-Gigabit link between switches' QSFP-100G ports within racks and across adjacent racks. This Direct Attach Copper cable provides low insertion loss and ultra-low crosstalk. It complies with IEEE 802.3, SFF-8662, and hot-pluggable QSFP28 MSA standards, ensuring compatibility and reliability.With its power-efficiency, this cable delivers reliable connectivity for short-distance interconnects. It enables higher port bandwidth, density and configurability at a low cost and reduced power requirement in the data centers. Note: FS Box does not currently support changing H3C and HPE compatibility for DAC cables.
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.





