View the full list of DOCSIS 3.1 Gigabit cable modems below. If you subscribe to Gigabit plans such as XFINITY 1 Gig or Gigabit Pro, Cable One GigaOne, or COX Gigablast, or Mediacom Xtream Gig, you’ll need a DOCSIS 3.1 modem. Some may be offered only through your cable company. However, some companies may let you buy your own modem.
DOCSIS 3.1 Modems List
These DOCSIS 3.1 modems do not have WiFi built-in. For optimal performance, use a WiFi-6 or WiFi-6E router. There are 3 modems on this list that also have voice capabilities.
|Brand / MPN||Voice Compatibility||Top Speed||Est. Price|
|ARRIS SURFboard S33||No||2.5 Gbps||$199.99|
|ARRIS SURFboard SB8200||No||1 Gbps||$142.11|
|ARRIS SURFboard T25||Yes||1 Gbps||$177.00|
|NETGEAR CM1000||No||1 Gbps||$169.99|
|NETGEAR CM1150V||Yes||1 Gbps||$249.99|
|NETGEAR CM1200||No||2 Gbps||$199.99|
|NETGEAR CM2000||No||2.5 Gbps||$199.99|
|NETGEAR CM2050V||Yes||2.5 Gbps||$242.97|
|Motorola MB8611||No||2.5 Gbps||$149.99|
DOCSIS 3.1 Modem Router Combos
The modems on this list are DOCSIS 3.1 with built-in WiFi. You will see the type of WiFi outlined below. AC2350 = WiFi-5 @2350 Mbps. AC is a.k.a. WiFi-5 and AX is WiFi-6. The set of numbers that follow are the speed at which the router will operate in Mbps.
|Brand / MPN||Wireless Type||Voice Compatibility||Top Speed||Est. Price|
|ARRIS SURFboard G34 / G36||AX3000||No||2.5 Gbps||$279 / $299|
|ARRIS SURFboard SBG8300||AC2350||No||1 Gbps||$296.00|
|ASUS CMAX6000||AX6000||No||1 Gbps||$349.99|
|NETGEAR Nighthawk CAX80||AX6000||No||1.2 Gbps||$384.00|
|NETGEAR Nighthawk CAX30 / CAX30S||AX2700||No||1 Gbps||$312.18|
|NETGEAR Nighthawk C7800||AC3200||No||1 Gbps||$329.99|
|NETGEAR Orbi CBR750||AX4200||No||1 Gbps||$379.99|
|Motorola Zoom MG8702||AC3200||No||1 Gbps||$269.99|
DOCSIS 3.1 vs DOCSIS 3.0
DOCSIS 3.1 can provide download speeds up to 10 Gbps and upload speeds up to 1 Gbps. On the other side, DOCSIS 3.0 can provide download speeds up to 1 Gbps and 300 Mbps upload speeds. Additionally, with each upgrade in DOCSIS comes higher security.
Some Internet Providers such as Midco and Mediacom tell their customers they can only use a DOCSIS 3.1 cable modem.
Best DOCSIS 3.1 Modem
The ARRIS SB8200 is the top DOCSIS 3.1 modem in terms of the number of units sold. It also has the best feedback among Comcast 1 Gig and COX Gigablast subscribers. The SB8200 is perfect for 1000 Mbps tiers and lower. With a price point of only $149.99, it is also the cheapest DOCSIS 3.1 modem available today. View more about the ARRIS SURFboard SB8200.
If you subscribe to XFINITY Gig, COX Gigablast, or other like speeds from other providers, yes. You will need to use one of these or one provided by your Internet provider.