?LIFETIME FREE TECH-SUPPORT?Tenda 48 port switch provides an industry-leading 3-year with FREE lifetime 24/7 dedicated tech-support team call us or email us. ✓?EXCELLENT LIGHTNING PROTECTION?With professional lightning protection circuit, all ports and power supply module feature 6 KV lightning protection, greatly protecting the switch from being damaged by thunder storm. ✓?SPACE SAVING & RACK MOUNTABLE?48 port switch is solidly built in compact and sturdy metal case that is easy to mount into a standard small space rack. ✓?RELIABLE AND QUIET?Network switch 48 port with IEEE 802.3X flow control provides reliable data transfer; fanless and metal design ensures quiet operation and better heat dissipation. ✓?FASTER TRANSMISSION EFFICIENCY?48 port Ethernet switch provide 12M Buffer,100Gbps Switch Capacity and support 12K Jumbo Frame to speed up the transmission of large files and improve transmission efficiency. ✓?PORT CONFIGURATION?Tenda 50 port switch equipped with 48 10/100/1000Mbps Auto-negotiating MDIX RJ45 Ethernet ports & 2 SFP slots. Add more Gigabit Ehternet ports to your mesh system, routers, etc. ✓?PLUG & PLAY?Enjoy quick and easy setup with no configuration or software required, TEG1050F is your perfect 48 port Gigabit switch choice.