Siemon 40Gb/s DAC, QSFP+ High Speed Interconnect, Passive Direct Attach Copper Cable

The Siemon 40Gb/s DAC QSFP+ High Speed Interconnect Passive Direct Attach Copper Cable delivers reliable, low-latency connectivity for modern data centre and enterprise environments. It is compatible with QSFP+ networking equipment and provides a cost-effective OEM alternative while ensuring outstanding interoperability, performance, and long-term reliability across multi-vendor network infrastructures.
It supports data transfer rates of up to 40Gb/s, making it ideal for connecting switches, servers, storage systems, and high-performance computing platforms in racks or between adjacent racks. It is suitable for cloud computing environments, enterprise networks, virtualised infrastructures, and high-density data centres where high-bandwidth, short-range connectivity is essential for maintaining maximum network performance.
It has industry-standard QSFP+ interfaces and features a hot-pluggable form factor for quick, tool-free installation and replacement without disrupting active network operations. Its passive construction doesn’t need external power, which helps to reduce energy consumption while maintaining exceptional signal integrity over short cable distances.
Each cable is tested for compatibility, durability, and reliability across supported platforms, and its advanced shielding minimises EMI to ensure data transmission is stable, secure, and consistent in demanding networking environments.