offers the ZyXEL Powerline AV 4-Port Gigabit Ethernet Switch, model no. PLA4225, for $49.99 with free shipping. That’s $17 under our March mention and the lowest total price we could find now by $24. This adapter plugs into a wall power outlet to expand your home network without having to run Ethernet cables through your house. It supports up to 500Mbps data transfer rates.

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