Keep short-range 10 GbE links direct, quiet, and easy to manage with the StarTech JL563A-ST SFP+ copper module. This passive DAC is designed for network teams that want the reliability of a factory-tested interconnect without the cost and complexity of separate optics and fiber patching. At 5 m, it fits the real-world distances that dominate rack-to-rack and adjacent cabinet deployments. The twinaxial construction supports 10 Gbit/s throughput while keeping signal paths simple and latency low. Because it is passive, there is no added power draw from active electronics in the cable assembly, which helps preserve thermal headroom in dense switching environments. This is the right choice when you need a direct, standards-aligned connection between compatible network devices and want fewer variables in the link budget. For procurement teams, the lifetime warranty and compatibility-focused design make it easier to justify over generic cables that may save money up front but create support risk later.