Silex USB3 Device Server with IPv6 Support and Gigabit Ethernet DS700US Device Server - Newegg.com
Amazon.com: SEH dongleserver Pro Device Server - Twisted Pair - 1 x Network (RJ-45) - 8 x USB - 10/100/1000Base-T - Gigabit Ethernet - Rack-mountable, Desktop : Electronics
Silex DS-520AN 802.11n Wireless Gigabit Ethernet USB Device Server w/ AC Adapter for sale online | eBay
Plugable USB 3.0 Gigabit Ethernet Adapter – Plugable Technologies
WuT data sheet: USB-Server Gigabit
StarTech 10/100/1000 Mbps Gigabit 1 Port USB 2.0 over IP Device Server Adapter - USB Ethernet Over LAN Network Printer Converter - Windows 7 / XP / Vista ONLY (USB1000IP) | OfficeCrave.com