The XG-C100F network card provides high speed of 10Gbit / s - performance of the next generation, up to 10x faster than a Gigabit network for fast file transfers, liquid 4K streaming and gaming with low latency. More power with fiberglass - The latest technology for high-speed transmission allows data transfers much greater distances than copper cables. An aluminum heat sink with thoughtful design ensures efficient heat dissipation and reliable operation without a break. The integrated QoS technology automatically increases bandwidth for important streams or games. With the SPF + Cage also DAC connections are compatible.