Newegg has the Linksys Powerline AV 4-Port Network Adapter Kit, model no. PLSK400-NP, for $39.99 (79.99 – 20 instant savings – 10 coupon) with Free Shipping for a limited time. To get discount, use the coupon code: EMCPCPW69 at checkout. Coupon expires July 4, 2014.

This kit includes a Powerline AV adapter to connect to a router and a Powerline adapter with four Ethernet ports and futures speeds up to 200Mbps.