Amazon offers Prime members the Linksys Advanced DOCSIS 3.0 Cable Modem, model no. DPC3008-CC, for $44.95 with free shipping. (Non-members can spend $49 to qualify for free shipping; otherwise, shipping costs $8.74.) That's $5 under last month's mention and the lowest total price we could find by $5. It supports download speeds of up to 340Mbps. It's certified for use with Comcast Xfinity services. (Check with your provider if you use a different service.)