30 days free-returned, 3-year free warranty and free lifetime technical support. Widely used in data centers, storage area networks, Network Attached Storage, high performance computing etc. All products are passed by TDR & VNA tests in our Signal Integrity Lab. Compatible with Cisco, Ubiquiti, D-link, Supermicro, Netgear, Mikrotik, ZTE, Quanta, Solarflare, PaloAlto, F5, etc. 10GBase-CU, SFP+ to SFP+ Connetor, Passive, 1 meters, 30AWG;.