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

: To use your own modem, you must contact Optimum at 877-694-9474 to provide the new MAC address and activate the device. User Perspectives

One of the best value buys for 2026, offering a and modern mid-split support at a lower price point than competitors. Best All-in-One (Mesh): Netgear Orbi CBK752

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.

For most users, the or Go to product viewer dialog for this item.

. 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

If you have an , your options are more limited. This model is one of the few certified to support voice service alongside high-speed internet . Key Buying Guide for Optimum To ensure your modem works effectively with your service:

“With smart WiFi, [the Optimum gateway] picks between whether your smart devices pick up the 2G internet or the 5G. This “smart” WiFi will completely mess up any system you have.” Reddit · r/OPTIMUM · 2 years ago