Gigabit RJ45 Loopback Tester | Computer Cable Store
HP USB 3.0 to Gigabit RJ45 Adapter G2
USB 3.0 to Ethernet Adapter - High Speed Syncwire 10/100/1000 Gigabit RJ45 LAN Network Ethernet Adapter for Macbook, Mac Pro/Mini, iMac, HP, Lenovo, Dell, Surface Pro, Windows XP,7,8,10&More-Black - Walmart.com
Ethernet cable CAT6 1 meter - blue - round cable - Orico