Extreme Networks 16543 40 Gbit/s QSFP+ to 4x SFP+ Cable | Network Cable

Move 40 Gbit/s traffic between QSFP+ and four SFP+ endpoints with a passive direct-attach cable designed for short-reach switch interconnects. This 1 m assembly is built for environments that need predictable, low-latency connectivity without adding active electronics or extra power draw. For infrastructure teams, the value is in clean port breakout. Instead of introducing separate transceivers and patching complexity, this cable provides a direct path from one QSFP+ network interface to four SFP+ network interfaces. That makes it a practical fit for top-of-rack aggregation, lab validation, and high-density switch staging where port utilization matters. The passive design keeps the assembly simple and dependable, while the lifetime warranty adds confidence for long service cycles. If your goal is to preserve rack space, reduce component count, and maintain consistent short-run connectivity, this cable fits the job without unnecessary overhead.