Amazon offers the D-Link DOCSIS 3.0 Cable Modem, model no. DCM-301, for $57.59. Clip the $10 off coupon on the product page to cut it to $47.59. With free shipping, that's the lowest total price we could find by $10 and the best price we've ever seen. It's compatible with most cable providers and features download speeds of up to 343MB/s and upload speeds of up to 150MB/s.