is the best modem to buy for Optimum cable service in 2026, offering multi-gigabit speeds and a future-proof DOCSIS 3.1 standard . If you have , you cannot use a third-party modem and must use the provided fiber gateway . Top Modem Recommendations for Optimum Best Overall: Arris SURFboard S33

A premium modem-router combo that includes a mesh Wi-Fi system. It covers up to and is recommended for large or oddly shaped homes. Best for Phone Service: Arris TM3402

Are you planning to pair your new modem with a , or Optimum Certified Modems

. It is a proven workhorse that often costs less than multi-gig models while still supporting Optimum 1 Gig plans. Best Budget Option: Hitron CODA56

A dedicated cable modem (no built-in Wi-Fi) that is the "gold standard" for 2026. It features a to handle multi-gig speeds and offers high stability with low latency. Best for 1 Gig Plans: Arris SURFboard SB8200 Go to product viewer dialog for this item.

is... about a million times better than the stock Optimum modems.” Best Buy

A highly reliable, "classic" DOCSIS 3.1 modem with dual gigabit ports