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10 Best Att Fiber Modem in 2026

This guide compares the top Att Fiber Modem options available in October 2026 to help you find the best router gateway for your home network needs.

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In this guide
  1. 01Top 3 picks
  2. 02Compare all 10
  3. 03In-depth reviews
  4. 04Buying guide
  5. 05Use and care
  6. 06Common questions
  7. 07Final verdict

Finding the right Att Fiber Modem is crucial for maintaining a stable and fast internet connection in your home. These devices act as the bridge between your fiber optic line and your local network, ensuring you get the most out of your subscription.

We have analyzed ten top-rated gateways and modems to create this comprehensive list. Our comparison focuses on performance, compatibility, features, and user feedback to help you make an informed decision for your specific setup.

Each pick in this guide highlights key strengths and potential drawbacks. Please note that availability and pricing can change frequently, so always verify the latest details on the product page before making your final purchase.

Top 3 Picks for Best Att Fiber Modem

Best Budget

AT&T BGW210
AT&T BGW210

4.1Editor score

Four Gigabit Ethernet ports
Wireless Voice Gateway
Requires separate ONT

Check price

Editor's Choice

NBS AT&T BGW-320 500
NBS AT&T BGW-320 500

4.1Editor score

Built-in ONT for fiber
Wi-Fi 6 support
VoIP telephone service

Check price

Best Premium

NETGEAR Nighthawk Multi-Gig
NETGEAR Nighthawk Multi-Gig

4.0Editor score

2.5Gbps Ethernet port
Voice phone support
DOCSIS 3.1 tech

Check price

Top 10 Best Att Fiber Modem in 2026 Compared

This side-by-side comparison outlines the key specifications and compatibility details for each of the ten selected fiber and gateway devices to help you quickly identify the right fit.

ProductsSpecificationsEditor scorePrice
1NBS AT&T BGW-320

Editor's Choice

NBS AT&T BGW-320
Fiber ONLY gateway
Wi-Fi 6 ax
Built-in ONT
VoIP support
4.1Editor score

Check price

2NETGEAR Nighthawk CAX30

Editor's Choice

NETGEAR Nighthawk CAX30
Cable modem combo
DOCSIS 3.1
WiFi 6 router
Gigabit wireless
4.1Editor score

Check price

3NETGEAR CM3000 Modem

Best Premium

NETGEAR CM3000 Modem
Mid/High-Split modem
Up to 2.5Gbps
2.5 Gig Ethernet
Router required
4.2Editor score

Check price

4NBS AT&T Wireless-ax

NBS AT&T Wireless-ax
Renewed gateway
Fiber ONLY
Integrated ONT
Network router
1.0Editor score

Check price

5Hitron CODA56

Hitron CODA56
Cable internet only
NO WiFi included
2.5 Gbps port
Router required
4.4Editor score

Check price

6Arris Surfboard S34

Arris Surfboard S34
Multi-Gig cable modem
2.5Gbps + 1Gbps
Compact design
Modem only
4.3Editor score

Check price

7AT&T BGW210

AT&T BGW210
Wireless Voice Gateway
4 Gigabit ports
ONT required
802.11ac
4.1Editor score

Check price

8Centurylink Greenwave

Centurylink Greenwave
FiberOptics only
No phone port
Greenwave C4000XG
Supports Fiber
3.5Editor score

Check price

9Verizon Fios G1100

Verizon Fios G1100
AC1750 dual-band
Quantum Gateway Router
Six ports
Fios internet plans
4.5Editor score

Check price

10NETGEAR CM2050V

NETGEAR CM2050V
Xfinity Voice support
2.5Gbps Ethernet
2 Phone Lines
Multi-Gig modem
4.0Editor score

Check price

1. NBS AT&T BGW-320 500 – Best Overall Att Fiber Modem

NBS AT&T BGW-320 500 802.11a/n/ac/ax Wireless-ax Integrated/Built-in ONT Residential Voice Gateway (Fiber ONLY) Replaces BGW-2104.1Editor scoreCheck price on Amazon
NBS AT&T BGW-320 500
Integrated ONT built-in
Wi-Fi 6 support
VoIP voice service
LAN connectivity

The NBS AT&T BGW-320 500 stands out as the top choice for fiber internet users needing a complete solution. This device integrates the Optical Network Terminal directly into the gateway, simplifying your setup significantly.

Pros

  • Built-in ONT saves hardware
  • Strong Wi-Fi 6 performance
  • Integrated voice gateway
  • High-speed data support
  • Replaces older BGW models

Cons

  • Fiber ONLY compatibility
  • Limited to specific providers

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It supports simultaneous use of phone video and high-speed data across its WAN interfaces. The concurrent Wi-Fi support for 4×4 802.11ax on both 2.4GHz and 5GHz bands ensures robust wireless coverage for all your devices.

While it is designed strictly for fiber connections which limits its versatility for other types of internet it excels in its intended role. The primary line VoIP telephone service feature makes it a comprehensive hub for modern home communication needs.

If you are looking for a reliable replacement for the BGW-210 and need integrated fiber capabilities this gateway is the ideal pick. Its combination of speed and connectivity features makes it a standout option for AT&T fiber subscribers.

Integrated ONT Convenience

Having the ONT built-in reduces cable clutter and eliminates the need for a separate box which can be a major benefit for home office setups.

Wireless Performance

The support for 802.11ax on both bands provides ample bandwidth for streaming and gaming ensuring low latency even when multiple devices are active.

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2. NETGEAR Nighthawk CAX30 – High Performance Combo

NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfinity Spectrum Cox and More - Gigabit Wireless Internet4.1Editor scoreCheck price on Amazon
NETGEAR Nighthawk CAX30
DOCSIS 3.1 modem
WiFi 6 AX2700
Gigabit wireless internet
2.7 Gbps speed

The NETGEAR Nighthawk CAX30 is a powerful combination device that brings together a cable modem and a Wi-Fi 6 router. It is designed to maximize your cable internet potential with high speeds and reliable coverage.

Pros

  • Modem and router combined
  • DOCSIS 3.1 speeds
  • Whole home Wi-Fi 6
  • Multiple Ethernet ports
  • Nighthawk app control

Cons

  • Cable only not fiber
  • Not for AT&T

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It supports internet plans up to 800Mbps for Xfinity and up to 1Gbps for Spectrum and Cox. The dual-band AX2700 Wi-Fi 6 covers up to 2000 square feet providing capacity for over 25 connected devices without slowdowns.

Although it is not compatible with AT&T fiber it is an excellent choice for cable users seeking a streamlined setup. The four Gigabit Ethernet ports allow you to hardwire your most critical devices for the lowest latency.

For those wanting a robust home network on a cable connection this combo unit offers significant value. The Nighthawk app adds convenience for managing your network and ensures you can monitor performance from anywhere.

Speed Potential

With DOCSIS 3.1 technology this modem handles modern bandwidth demands well offering headroom for future speed upgrades on cable plans.

Wireless Coverage

The Wi-Fi 6 router component provides steady connectivity throughout the house which is essential for video calls and streaming in every room.

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3. NETGEAR CM3000 Modem – Future Proof Cable Option

NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Modem (CM3000-1AZNAS) – Approved for Today's Fastest Speeds - Works with All Providers, Incl. Xfinity, Spectrum, Cox - Plans up to 2.5Gbps4.2Editor scoreCheck price on Amazon
NETGEAR CM3000 Modem
Mid/High-Split tech
2.5 Gig Ethernet port
Plans up to 2.5Gbps
Multi-Gig speeds

The NETGEAR Nighthawk CM3000 is a dedicated cable modem built for users who want to future-proof their network. It uses mid/high-split DOCSIS 3.1 technology to unlock faster download and upload speeds for various activities.

Pros

  • 2.5Gbps support
  • Works with major providers
  • Future-proof Ethernet
  • DOCSIS 3.1 speed
  • OFDMA performance

Cons

  • Cable internet only
  • Router required

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It supports plans up to 2 Gbps with a 2.5 Gig Ethernet port that connects to compatible routers. This setup allows you to combine multiple Gigabit ports for speeds up to 2 Gbps which is perfect for power users.

While it is not designed for fiber internet it is a strong contender for cable subscribers looking to optimize their hardware. The Active Queue Management helps reduce lag during peak hours ensuring a smooth experience for gaming and calls.

If you need a standalone modem that can handle high-speed plans this device is a reliable choice. Pair it with a strong Wi-Fi router to get the most out of your cable internet connection.

Multi-Gigabit Support

The 2.5 Gig Ethernet port ensures your network is ready for the fastest current plans without needing to replace hardware soon.

Provider Flexibility

Works with most US cable providers so it offers flexibility if you move or switch services without losing your modem investment.

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4. NBS AT&T Wireless-ax – Renewed Gateway Option

NBS AT&T Wireless-ax Integrated/Built-in ONT Voice Gateway (Fiber ONLY) (Renewed)1.0Editor scoreCheck price on Amazon
NBS AT&T Wireless-ax
Renewed condition
Integrated ONT
Network router type
Package dimensions info

The NBS AT&T Wireless-ax Renewed Gateway is an option for those looking to save on hardware costs. This device includes a built-in ONT which is essential for fiber connectivity in AT&T networks.

Pros

  • Renewed availability
  • Integrated ONT
  • Voice gateway features
  • Compact design

Cons

  • Low customer rating
  • Renewed condition risk

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It is designed as a networking router that handles voice and data services. The renewed status suggests it has been inspected to meet certain quality standards which can be a good value proposition.

However the customer rating for this item is quite low so you should read the current reviews carefully before purchasing. It is important to verify that the renewed unit meets your needs and includes all necessary components.

If you are comfortable with refurbished electronics this gateway can serve as a functional replacement. Ensure you check the return policy and warranty terms to protect your purchase.

Cost Savings

Buying a renewed unit can reduce upfront costs significantly while still providing the necessary technical specs for fiber service.

Compatibility

This gateway is intended for AT&T fiber lines so verify your service type matches the device capabilities before ordering.

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5. Hitron CODA56 – Cable Only High Speed Modem

Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL4.4Editor scoreCheck price on Amazon
Hitron CODA56
Cable internet only
2.5 Gbps port
DOCSIS 3.1
Router required

The Hitron CODA56 is a high-performance cable modem that supports internet plans up to 2.5 Gbps. It is a modem only device meaning you will need to purchase a separate router to get wireless internet in your home.

Pros

  • High 2.5Gbps port
  • DOCSIS 3.1 support
  • No rental fees
  • Low latency gaming
  • Compatible with Xfinity

Cons

  • No WiFi built-in
  • Fiber incompatible

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It works exclusively with cable providers like Xfinity Spectrum and Cox. The 2.5 Gbps Ethernet port allows you to connect to a compatible router and achieve the full speed of your plan.

This device is optimized for gaming and streaming with low latency thanks to its DOCSIS 3.1 technology. It also offers potential savings by eliminating monthly modem rental fees from your ISP bill.

For users who already have a strong router or want to build a custom setup this modem is a solid component. Just ensure you confirm your internet type is cable before buying to avoid compatibility issues.

Speed Capability

Supporting plans up to 2.5 Gbps this modem keeps your network ready for the latest bandwidth offerings from major providers.

Modem Only Design

By focusing on the modem function it avoids unnecessary costs and allows you to choose a router that fits your specific home layout.

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6. Arris Surfboard S34 – Multi-Gig Cable Solution

Arris Surfboard S34 DOCSIS 3.1 Multi-Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Compatible with Xfinity, Cox, Spectrum | Next Gen Upstream | Modem Only, Router Required4.3Editor scoreCheck price on Amazon
Arris Surfboard S34
Multi-Gig speed
2.5Gbps + 1Gbps
Compact design
Modem only

The Arris Surfboard S34 delivers Multi-Gig speed for today and tomorrow with DOCSIS 3.1 performance. It supports cable internet plans up to 2.5 Gbps which is ideal for ultra-fast streaming and downloads.

Pros

  • 2.5Gbps + 1Gbps ports
  • Compact modern design
  • Upstream ready
  • CableLabs certified
  • Easy setup

Cons

  • Router required
  • Not for fiber

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It features both a 2.5 Gigabit Ethernet port and a 1 Gigabit port for connecting devices or backup handoff. The compact design saves space and uses simple LED indicators for power and online status.

This modem is tested and qualified for use with Cox Xfinity and Spectrum. It is not compatible with fiber DSL or satellite services so verify your connection type before buying.

For those seeking a reliable cable modem that can handle high speeds this device is a great choice. It pairs well with a separate Wi-Fi router to provide comprehensive coverage for your home network.

Port Variety

Having both 2.5Gbps and 1Gbps ports gives you flexibility to connect high-speed routers and additional wired devices simultaneously.

Upstream Support

The next generation upstream capabilities ensure you can take advantage of future upload speed tiers from your cable provider.

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7. AT&T BGW210 – Versatile Wireless Gateway

AT&T BGW210 802.11b/g/n/ac 400mW Bonded VDSL2 Wireless Voice Gateway 4 x Gigabit Ports (ONT Required),Black4.1Editor scoreCheck price on Amazon
AT&T BGW210
802.11ac support
Four Gigabit ports
ONT required
Wireless Voice Gateway

The AT&T BGW210 is a wireless voice gateway that provides robust connectivity for your home. It includes four Gigabit Ethernet ports and USB 2.0 ports for versatile device connections.

Pros

  • Four Gigabit Ethernet
  • Voice gateway function
  • Strong Wi-Fi support
  • USB 2.0 ports

Cons

  • Requires separate ONT
  • Older Wi-Fi standard

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It supports concurrent Wi-Fi for 802.11b/g/n and ac standards which offers decent coverage for general use. The single-port voice FXS feature allows for traditional telephone service over your internet connection.

Note that an ONT is required for this modem to work with your service so check your equipment needs before purchasing. It is a capable device for those needing a balance of wired and wireless options.

If you need a reliable gateway that supports voice and data this model is a solid pick. It fits well into AT&T networks where the ONT is already installed.

Port Count

The four Gigabit Ethernet ports give you ample wired connections for consoles and computers without needing a switch.

Voice Services

Integrated voice capabilities make it a convenient choice for households that still rely on landline phone services.

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8. Centurylink Greenwave – Fiber Specific Gateway

CENTURYLINK Greenwave C4000XG3.5Editor scoreCheck price on Amazon
Centurylink Greenwave
FiberOptics only
No phone port
Greenwave C4000XG
Supports Fiber

The Centurylink Greenwave C4000XG is a gateway designed specifically for FiberOptics services. It does not have a phone port which means it is focused on data delivery.

Pros

  • Fiber support
  • Specific provider device
  • Compact design

Cons

  • Low rating
  • Limited compatibility

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It supports FiberOptics only and is not intended for DSL use. This specialization ensures it performs well with the provider's specific fiber network infrastructure.

While it serves a specific niche users should be aware of its limited compatibility with other types of connections. It is a functional device for Centurylink fiber subscribers.

If you need a replacement for your existing fiber gateway this unit may be appropriate. Always confirm with your ISP that this model is supported on your plan.

Fiber Focus

Being designed for fiber optics ensures optimized performance for high-speed data streams typical of modern broadband services.

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9. Verizon Fios G1100 – Dedicated Fios Gateway

Verizon Fios G1100 | Updated 2019 Version | AC1750 WiFi G-1100 Quantum Gateway Router for Verizon Fios Internet Plans4.5Editor scoreCheck price on Amazon
Verizon Fios G1100
AC1750 dual-band
Six available ports
Fios internet plans
Internal antennas

The Verizon Fios G1100 is a Quantum Gateway Router designed for Verizon Fios internet plans. It delivers AC1750 dual-band WiFi for seamless internet coverage across your home.

Pros

  • High rating
  • Six ports
  • Fios optimized
  • Advanced security

Cons

  • Limited to Verizon
  • No DOCSIS support

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Engineered for Fios service it provides fast speeds and reliable connections. The six available ports allow you to connect multiple devices without extra switches which is great for busy households.

Internal antennas and an easy-to-use app interface make setup and management straightforward. It is perfect for powering multiple devices streaming and gaming and working from home.

For Verizon Fios subscribers this router is an excellent choice to maximize your service. It ensures you get the most out of your internet plan with stable and fast connectivity.

Port Abundance

Six available ports eliminate the need for extra hardware when connecting several computers or gaming consoles directly.

Fios Optimization

Built specifically for Fios this gateway ensures compatibility and performance that matches your internet service agreement.

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10. NETGEAR CM2050V – Voice Ready Premium Modem

NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V) – for Cable Plans up to 2.5Gbps - DOCSIS 3.1-2 Phone Lines4.0Editor scoreCheck price on Amazon
NETGEAR CM2050V
Xfinity Voice service
2.5Gbps Ethernet
2 Phone Lines
Multi-Gig modem

The NETGEAR Nighthawk CM2050V is built for the fastest multi-gig speeds with support for plans up to 2.5Gbps. It is certified by Xfinity and ideal for those who need voice service alongside their internet.

Pros

  • Voice phone support
  • 2.5Gbps Ethernet
  • DOCSIS 3.1
  • Multi-Gig speeds
  • Fast setup

Cons

  • Xfinity specific
  • Voice features may need plan

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It supports up to 2 telephone lines with enhanced call features like caller ID and conference calling. The 2.5Gbps Ethernet port allows you to connect to a powerful router for true multi-gig internet connections.

This modem works with any WiFi router but pairs best with WiFi 6 or 7 models for optimal performance. It is a premium option for users who want the highest speeds available.

If you are looking for a high-end modem with voice capabilities this device is a top pick. It combines speed with functionality to meet the demands of modern home networks.

Voice Integration

Supporting two telephone lines makes this modem a comprehensive hub for both communication and internet needs.

Speed Potential

The 2.5Gbps Ethernet port ensures you can utilize high-speed plans to their full potential without bottlenecking.

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Buying Guide – How to Choose the Best Att Fiber Modem

Choosing the right modem or gateway involves understanding several key factors that impact performance and compatibility with your service provider.

Service Type Compatibility

The most critical factor is ensuring the device matches your internet type. Fiber requires an ONT or fiber gateway while cable uses DOCSIS modems. A fiber device will not work on cable lines and vice versa.

Always verify the modem supports your specific connection type before purchasing to avoid returns.

Wi-Fi Standards

Modern networks benefit from Wi-Fi 6 which offers better capacity and range for multiple devices. Look for devices supporting 802.11ax if you have many smart devices.

Higher Wi-Fi standards ensure smoother streaming and gaming experiences without interference.

Ethernet Port Speeds

If you use wired devices check that the Ethernet ports match your plan speed. A 1Gbps port will cap speeds at 1000Mbps even if you pay for more.

For gigabit+ plans choose a modem with a 2.5Gbps port to fully utilize your bandwidth.

Modem vs Gateway

A modem connects to the ISP while a gateway combines modem and router functions. Gateways simplify setup but dedicated modems offer more flexibility with router choice.

Pick a gateway for simplicity or a modem if you prefer a high-end third-party router.

Provider Authorization

Some ISPs require devices to be authorized or certified to work on their network. Check the product list for compatibility with your provider like AT&T or Verizon.

Unauthorized devices may fail to activate or lose service unexpectedly.

Voice Support

If you use home phone service ensure the device supports VoIP or FXS ports. Voice gateways integrate telephone features directly into the network.

Without voice support you may lose phone access or need separate equipment.

Future Proofing

Technology evolves quickly so select a device that supports upcoming standards. DOCSIS 3.1 and Wi-Fi 6 are current standards that will serve you well for years.

Investing in future-ready hardware saves money in the long run.

How to Use and Care for Your Att Fiber Modem

To set up your new modem connect the fiber or cable line securely to the device and plug it into power. Wait for the status lights to stabilize indicating a successful connection before adding devices.

Place the device in a central location away from metal surfaces or electronics that cause interference. Good ventilation is essential to prevent overheating which can reduce performance or lifespan.

Regularly reboot your modem to clear temporary glitches and keep the software updated. Check the manufacturer app for security patches that protect your network from vulnerabilities.

Frequently Asked Questions

Do I need a separate router if I buy a fiber gateway?

No if you buy a gateway the Wi-Fi router is built in. A standalone modem needs a router to broadcast wireless signals. Check if your device lists Wi-Fi support to avoid buying extra gear.

Can I use a cable modem on AT&T fiber?

No cable modems do not work with fiber optics. Fiber requires an ONT or specific gateway. Using the wrong type will result in no connection regardless of the speed you pay for.

What is an ONT and is it required?

An ONT converts fiber signals to electrical signals your devices can use. It is essential for fiber internet. Some gateways have it built in while others require a separate box.

How do I know if a modem is compatible with my ISP?

Check the product page for a provider list or compatibility tool. Most manufacturers explicitly state which ISPs support their device. Contact your ISP if you are unsure before buying.

Why does my internet speed not match my plan?

This may be due to a slow Wi-Fi standard or an old Ethernet port. Ensure your modem supports your plan speed and use a compatible router. Wired tests give the most accurate speed readings.

Is it better to buy or rent a modem?

Buying saves money over time as you avoid monthly rental fees. It also gives you more control over features and updates. Renting is easier for short-term needs but costs more long term.

Final Thoughts on Choosing the Best Att Fiber Modem

In this guide we have reviewed ten top devices including the NBS AT&T BGW-320 and various cable modems. Each option offers distinct strengths for different network setups and service types.

Prioritize compatibility with your specific internet connection and the features you need like voice support or Wi-Fi standards. A device that matches your provider ensures smooth activation and performance.

Prices and availability change regularly so verify the latest details on the product page before you finalize your purchase. We hope this guide helps you select a reliable network component for your home.