10 Gigabit Ethernet delivers high performance to your network to promote higher productivity and business efficiency. The 550X series breaks the barrier of 10 Gigabit Ethernet adoptions with exceptional affordability. Keep your network running so your business never slows down. The 550X series offers true stacking, built-in fan redundancy, a redundant power supply connector, and high-availability protocols. A variety of energy-saving features provide an eco-friendly and cost-effective network solution without compromising performance.