FriendlyNet FS4124R 24-Port 10/100 Mbps Fast Ethernet Switch. FS4124R 24-port Fast Ethernet Switch delivers outstanding performance in a compact, flexible desktop or rackmountable form factor. Each RJ-45 jack provides up to 200 Mpbs (full duplex) speed of dedicated bandwidth per connection. The FS4124R is a non-blocking, wire-speed switch with store and forward technology. It s ideal for quickly set up network without any configuration and moving large emails and other file in no effort.