The Allied Telesis x330 series 16-port x330-20GTX switch packs multiple features into a compact, fanless design. The x330 series of managed switches ensures maximum performance with multi-Gigabit and 10 G copper and fibre uplinks, Support for Layer 3 routing protocols, Ideal for use in distribution and small branch offices as a core switch, With AlliedWare Plus Operation System and industry standard Command Line Interface (CLI), Simple and high-performance graphical user interface (GUI), Compatible with Vista Manager EX and AMF-Security, With Upstream Forwarding Only (UFO), Energy-efficient Ethernet, With 1 x fixed PSU,