Matrox Extio3 N3408TX Transmitter

Compatible with either Copper or Fiber - Extio 3 units can operate as network-KVMs on standard Gigabit Ethernet networks, or as closed point-to-point KVMs via direct fiber-optic connection.
Extend 4Kp60 Ultra-High Resolution (3840x2160@60Hz), or Quad HD (4x1920x1080@60Hz), or dual 4Kp30 (2x3840x2160@30Hz), all with perfect 4:4:4 quality at unprecedented low bitrate.
Simplified Integration - Extio 3 is designed to be plug and play. No drivers or additional software is necessary, so the hardware is universally compatible with any OS
Compatible with standard network switches, Extio 3 KVM units can drive one-to-one, one-to-many, many-to-one, and many-to-many configurations.
Enhanced Security & Monitoring - Uses HTTPs communication, provides the option for AES encryption of transmitted AV signals, and allows integration with Microsoft Active Directory services