networking - PC has a ping of 300ms if other PC is on - Super User
TP-Link TL-PA7017P KIT Gigabit Passthrough Powerline Starter Kit, Data transfer speed Up To 1000 Mbps, Ideal for HD/3D/4K video streaming and Online Gaming, No Configuration required, UK Plug : Amazon.co.uk: Computers &
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What is Powerline networking? And how fast is it versus Wi-Fi? | Expert Reviews