The Cudy GS105D is a compact, unmanaged 5-port Gigabit Ethernet desktop switch engineered for high-performance, energy-efficient networking in small office and home environments.
Features:

IEEE802.3u/x/ab/az and 802.1p standards 
5 x 10/100/1000 Mbps Ethernet ports
140m of transmission distance, 40% more than standard
Saves power when ports or connections are inactive 
Non-blocking switching architecture enables full wire-speed 
Store-and-Forward switching method 
Packet buffer prevents packet loss and improves packets forwarding performance