Netgear CM2000 Vs Arris Surfboard SB8200 Black Friday 2026

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NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem and ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem serve different priorities: the CM2000 has one 2.5GbE port, while the SB8200 has two 1GbE ports. For a compatible multi-gig plan, the NETGEAR model offers a stronger wired connection ceiling; for a gigabit plan and a router with two Ethernet ports, the ARRIS model remains a capable choice.

For this Black Friday 2026 buying guide, I researched and compared specs, reviews and owner feedback across seven cable modems. The best bet is to choose by provider approval, plan speed, and router setup—not by a modem’s advertised maximum alone. Our picks include budget-conscious and higher-speed options, with clear specs to help narrow your shortlist.

How We Picked

• Compared DOCSIS 3.1 support and Ethernet port speeds to identify options for different internet plans.
• Reviewed manufacturer specifications and provider compatibility information; approval varies by internet service provider and plan.
• Considered port count and speed for single-router setups, mesh systems, and multi-gig home networks.
• Researched owner feedback and product reviews for recurring setup, compatibility, and reliability considerations.
• Selected a range of cable modems rather than assuming one device suits every household or provider.

Comparison Table

Product	Best for	DOCSIS standard	Ethernet ports	Fastest Ethernet port
NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem	Compatible multi-gig internet plans	DOCSIS 3.1	1	2.5GbE
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem	Gigabit service and flexible router connections	DOCSIS 3.1	2	1GbE
NETGEAR Nighthawk CM2500 DOCSIS 3.1 Cable Modem	NETGEAR shoppers seeking a multi-gig port	DOCSIS 3.1	1	2.5GbE
ARRIS SURFboard S34 DOCSIS 3.1 Cable Modem	ARRIS fans with multi-gig routers	DOCSIS 3.1	2	2.5GbE
Motorola MB8611 DOCSIS 3.1 Cable Modem	A compact modem for a compatible multi-gig router	DOCSIS 3.1	1	2.5GbE
Hitron CODA56 DOCSIS 3.1 Cable Modem	A simple multi-gig modem connection	DOCSIS 3.1	1	2.5GbE
NETGEAR CM1000 DOCSIS 3.1 Cable Modem	Simple gigabit-tier setups	DOCSIS 3.1	1	1GbE

Best Picks Reviewed

#1 · Top pick

NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem

The NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem is the best multi-gig pick for households with an approved plan and router, thanks to its 2.5GbE Ethernet port.

Best for: Compatible multi-gig internet plans

DOCSIS standard

DOCSIS 3.1

Ethernet ports

1

Fastest Ethernet port

2.5GbE

Channel bonding

32 x 8 DOCSIS 3.0

Pros

• A 2.5GbE port supports a faster wired link than a standard gigabit Ethernet port.
• DOCSIS 3.1 supports service plans that use the current cable-modem standard.
• A focused one-port design pairs easily with a separate Wi-Fi router.

Cons

• One Ethernet port does not provide a direct wired connection for several devices.
• The modem’s higher-speed port provides no benefit when the plan or router is limited to 1GbE.

Is the NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem worth buying on Black Friday 2026?

Yes. The NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem is a strong Black Friday 2026 choice for an approved multi-gig plan, with a 2.5GbE port for a compatible router.

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#2

ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem

The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is the best gigabit-tier pick for households that value two Ethernet ports, with 2 x 1GbE connections.

Best for: Gigabit service and flexible router connections

DOCSIS standard

DOCSIS 3.1

Ethernet ports

2

Fastest Ethernet port

1GbE

Channel bonding

32 x 8 DOCSIS 3.0

Pros

• Two 1GbE ports give the modem more connection flexibility than a single-port design.
• DOCSIS 3.1 makes the SB8200 a relevant option for compatible cable service.
• A simple modem-and-router arrangement keeps Wi-Fi equipment separate and replaceable.

Cons

• The 1GbE ports do not provide a 2.5GbE wired link.
• Port use and supported speeds depend on provider configuration and the connected router.

Is the ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem worth buying on Black Friday 2026?

Yes. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem suits approved gigabit-tier service and router setups that benefit from two 1GbE ports. Confirm provider approval before choosing it.

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#3

NETGEAR Nighthawk CM2500 DOCSIS 3.1 Cable Modem

The NETGEAR Nighthawk CM2500 DOCSIS 3.1 Cable Modem is the best NETGEAR alternative for multi-gig households, with a 2.5GbE Ethernet port.

Best for: NETGEAR shoppers seeking a multi-gig port

DOCSIS standard

DOCSIS 3.1

Ethernet ports

1

Fastest Ethernet port

2.5GbE

Channel bonding

32 x 8 DOCSIS 3.0

Pros

• The 2.5GbE port supports a multi-gig connection to a compatible router.
• DOCSIS 3.1 provides a modern platform for approved cable internet plans.
• A single Ethernet connection keeps setup direct for a separate router.

Cons

• One Ethernet port is limiting for households that need several direct modem connections.
• Provider approval and plan limits determine the service speed the modem can deliver.

Is the NETGEAR Nighthawk CM2500 DOCSIS 3.1 Cable Modem worth buying on Black Friday 2026?

Yes. The NETGEAR Nighthawk CM2500 DOCSIS 3.1 Cable Modem is worth considering for compatible multi-gig service, especially when a 2.5GbE connection to a separate router is part of the setup.

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#4

ARRIS SURFboard S34 DOCSIS 3.1 Cable Modem

The ARRIS SURFboard S34 DOCSIS 3.1 Cable Modem is the best ARRIS pick for a newer multi-gig setup, with a 2.5GbE Ethernet port.

Best for: ARRIS fans with multi-gig routers

DOCSIS standard

DOCSIS 3.1

Ethernet ports

2

Fastest Ethernet port

2.5GbE

Second Ethernet port

1GbE

Pros

• A 2.5GbE port supports a faster router connection than the SB8200’s 1GbE ports.
• The additional 1GbE port offers another connection option.
• DOCSIS 3.1 support fits compatible cable internet plans.

Cons

• Two ports do not guarantee simultaneous use for separate internet connections.
• Check the provider’s approved-device list and port-use guidance before buying.

Is the ARRIS SURFboard S34 DOCSIS 3.1 Cable Modem worth buying on Black Friday 2026?

Yes. The ARRIS SURFboard S34 DOCSIS 3.1 Cable Modem is a sensible pick for approved service and a multi-gig router, with a 2.5GbE port plus a 1GbE port for connection flexibility.

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#5

Motorola MB8611 DOCSIS 3.1 Cable Modem

The Motorola MB8611 DOCSIS 3.1 Cable Modem is the best single-port alternative for multi-gig setups, with one 2.5GbE Ethernet port.

Best for: A compact modem for a compatible multi-gig router

DOCSIS standard

DOCSIS 3.1

Ethernet ports

1

Fastest Ethernet port

2.5GbE

Channel bonding

32 x 8 DOCSIS 3.0

Pros

• The 2.5GbE port creates a faster wired link to compatible networking gear.
• DOCSIS 3.1 supports approved cable plans using that standard.
• A one-port setup is uncomplicated when a separate router handles home networking.

Cons

• A single Ethernet port gives fewer direct connection choices.
• Actual service speed remains subject to plan, provider approval, and router capability.

Is the Motorola MB8611 DOCSIS 3.1 Cable Modem worth buying on Black Friday 2026?

Yes. The Motorola MB8611 DOCSIS 3.1 Cable Modem is a good fit for an approved cable plan and router with 2.5GbE, while its one-port design suits a straightforward modem-to-router layout.

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#6

Hitron CODA56 DOCSIS 3.1 Cable Modem

The Hitron CODA56 DOCSIS 3.1 Cable Modem is the best straightforward 2.5GbE option for provider-approved plans, with one 2.5GbE port.

Best for: A simple multi-gig modem connection

DOCSIS standard

DOCSIS 3.1

Ethernet ports

1

Fastest Ethernet port

2.5GbE

Modem type

Cable

Pros

• The 2.5GbE port pairs with a compatible multi-gig router.
• DOCSIS 3.1 support makes it a current option for approved cable service.
• A single wired output keeps the connection path easy to understand.

Cons

• One Ethernet port offers no extra direct connection for another wired device.
• Compatibility is provider-specific, so check the approved list before purchase.

Is the Hitron CODA56 DOCSIS 3.1 Cable Modem worth buying on Black Friday 2026?

Yes. The Hitron CODA56 DOCSIS 3.1 Cable Modem is worth a look for a provider-approved multi-gig plan, with a 2.5GbE port for a compatible router and a simple one-port design.

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#7

NETGEAR CM1000 DOCSIS 3.1 Cable Modem

The NETGEAR CM1000 DOCSIS 3.1 Cable Modem is the best basic NETGEAR choice for compatible gigabit-tier service, with a 1GbE Ethernet port.

Best for: Simple gigabit-tier setups

DOCSIS standard

DOCSIS 3.1

Ethernet ports

1

Fastest Ethernet port

1GbE

Channel bonding

32 x 8 DOCSIS 3.0

Pros

• The 1GbE port fits a direct connection to a gigabit-capable router.
• DOCSIS 3.1 support suits compatible cable providers and plans.
• The single-port layout offers a simple modem-and-router setup.

Cons

• The 1GbE port does not support a 2.5GbE router connection.
• High-speed plans and provider approval need checking before purchase.

Is the NETGEAR CM1000 DOCSIS 3.1 Cable Modem worth buying on Black Friday 2026?

Yes. The NETGEAR CM1000 DOCSIS 3.1 Cable Modem is a straightforward option for an approved gigabit-tier plan and a 1GbE router. Choose a multi-gig modem for a faster wired connection.

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NETGEAR CM2000 vs ARRIS SURFboard SB8200: which should I choose?

The NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem has one 2.5GbE port for compatible multi-gig setups. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem has two 1GbE ports and suits many gigabit plans.

Choose based on provider approval, plan speed, and router ports. Multiple modem ports do not necessarily provide separate internet connections; check provider configuration.

Is DOCSIS 3.1 important for a Black Friday modem purchase?

DOCSIS 3.1 is supported by all 7 cable modems in this guide, but provider approval and plan tier determine whether a model works for your account. Check the exact model on your provider’s compatibility list.

These modems are for cable internet, not fiber or DSL. Confirm your connection type before buying.

Does a 2.5GbE modem provide faster internet?

The NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem supports a wired connection above 1Gbps only when your plan, provider, and router support it. A 1GbE link elsewhere in the network limits the connection.

For gigabit service, the ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem’s 1GbE ports can be a suitable match.

Can I use a cable modem with my existing Wi-Fi router?

All 7 modems in this guide connect to a separate router by Ethernet and do not include built-in Wi-Fi. Check the router’s WAN port speed: a 1GbE port limits a modem-to-router connection to that speed.

Follow your provider’s activation instructions before moving equipment or canceling rented hardware.

What should I check before buying a Black Friday cable modem?

Confirm provider approval, plan speed, and Ethernet compatibility. Check whether you need provider telephone service, since these cable modems do not replace every voice-enabled gateway. Review included accessories and return terms.

Match the modem to your router’s WAN port and wired devices. A 2.5GbE model fits a supported multi-gig setup; a 1GbE model suits many gigabit arrangements. Compare compatible options during Black Friday 2026.

Buying Guide

Confirm provider compatibility

Check the exact model and service tier on your provider’s approved-device list.

Match the modem to your plan

Choose a port speed supported by your plan and provider. Do not rely only on a listing’s maximum speed.

Check your router’s WAN port

The NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem has one 2.5GbE port. A 1GbE router WAN port limits that connection.

Decide how many Ethernet ports you need

The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem has two 1GbE ports. Check provider documentation to learn how multiple ports are configured.

Keep the whole network in view

Router capability, cabling, Wi-Fi coverage, devices, and provider network conditions all affect performance. Choose equipment that works together.

FAQ

Is the NETGEAR CM2000 better than the ARRIS SURFboard SB8200?

The NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem is better for a compatible multi-gig setup because it has one 2.5GbE port. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem has two 1GbE ports and suits gigabit-tier service.

Which modem is best for a multi-gig cable plan?

The NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem is a strong multi-gig pick, with a 2.5GbE port. NETGEAR Nighthawk CM2500 DOCSIS 3.1 Cable Modem, ARRIS SURFboard S34 DOCSIS 3.1 Cable Modem, Motorola MB8611 DOCSIS 3.1 Cable Modem, and Hitron CODA56 DOCSIS 3.1 Cable Modem also have 2.5GbE.

Does the ARRIS SURFboard SB8200 have a 2.5GbE port?

No. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem has two 1GbE Ethernet ports, not a 2.5GbE port. Choose a model such as the NETGEAR Nighthawk CM2000 DOCSIS 3.1 Multi-Gig Cable Modem for a 2.5GbE connection, subject to provider approval.

Do I need a router with a cable modem?

A separate router provides Wi-Fi and creates a home network with the cable modems in this guide. Each modem connects to a router through Ethernet. Check the router’s WAN port speed, since a 1GbE port limits a faster modem-to-router connection.

How do I know if a cable modem works with my provider?

Look up the exact model on the internet provider’s approved-device list and confirm it supports your plan. Provider approval differs by company and service tier. Check activation instructions and telephone-service requirements before choosing any of the 7 DOCSIS 3.1 modems listed here.