CenturyLink Greenwave C4000XG
3.5Editor score
Fiber Optics Only
No Phone Port
Low Cost Option
In this guide
Finding the right Att Fiber Modem is essential for ensuring your home network runs smoothly and efficiently. With various models available, understanding the key features helps you select a device that meets your specific internet requirements and budget constraints.
We have compared ten top-rated fiber modems and gateways to provide you with a comprehensive overview of the market. Our analysis focuses on performance, compatibility, and essential features to ensure you make an informed decision for your connectivity needs.
Each pick in this list highlights unique strengths and potential limitations to help you narrow down your choices quickly. Please note that prices and availability change frequently, so always verify current details before making your final purchase decision.
Top 3 Picks for Best Att Fiber Modem
NBS AT&T BGW-320 500
4.1Editor score
Integrated Voice Gateway
Supports Wi-Fi 6
SFP Cage Included
NBS AT&T BGW210
4.1Editor score
Bonded VDSL2 Support
Four Gigabit Ports
Includes USB 2.0
Top 10 Best Att Fiber Modem in 2026 Compared
This side-by-side comparison reviews all ten fiber modems and gateways to highlight their key specifications and performance capabilities for potential buyers.
ProductsSpecificationsEditor scorePrice
Editor's Choice
NBS AT&T BGW-320 500
Wi-Fi 6 Support
SFP Cage Included
Voice Gateway Ready
LAN Connectivity
4.1Editor score
Editor's Choice
NETGEAR Nighthawk CAX30
DOCSIS 3.1 Cable
WiFi 6 Router
1Gbps Spectrum Plan
Four Gigabit Ports
4.1Editor score
Best Premium
NETGEAR Nighthawk CM3000
2.5Gbps Ethernet
Multi-Gig Speeds
Mid/High Split
Cable Internet Only
4.2Editor score
NBS AT&T Wireless-ax
Renewed Condition
Networking Router Type
Integrated ONT
Voice Gateway Support
1.0Editor score
Hitron CODA56
DOCSIS 3.1 Modem
No WiFi Included
2.5Gbps Port
Cable Internet Only
4.4Editor score
Arris Surfboard S34
Multi-Gig Modem
2.5Gbps Port
Compact Design
Router Required
4.3Editor score
AT&T BGW210
Bonded VDSL2
Four Gigabit Ports
USB 2.0
ONT Required
4.1Editor score
CenturyLink Greenwave C4000XG
Fiber Optics Only
No Phone Port
Fiber Specific
Low Price
3.5Editor score
Verizon Fios G1100
AC1750 WiFi
Quantum Gateway
Six Available Ports
Fios Optimized
4.5Editor score
NETGEAR CM2050V
Multi-Gig Modem
Voice Line Support
2.5Gbps Ethernet
Xfinity Compatible
4.0Editor score
1. NBS AT&T BGW-320 500 – Best Overall Fiber Gateway
NBS AT&T BGW-320 500
Fiber Only Compatible
Wi-Fi 6 Integrated
VoIP Voice Service
SFP Cage Included
The NBS AT&T BGW-320 500 stands out as a top choice for fiber internet users needing a robust gateway. With a rating of 4.1 stars it offers integrated Wi-Fi 6 and voice services all in one device.
Pros
- High speed wireless support
- Integrated voice services
- Future proof design
- Direct fiber compatibility
Cons
- Fiber connection only
- May need config
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Its key strengths include simultaneous use of phone video and high-speed data across available WAN interfaces. The device supports concurrent Wi-Fi for 4×4 802.11ax on both 2.4GHz and 5GHz bands ensuring excellent coverage.
Honest trade-offs involve the requirement for fiber-only connections and an SFP cage for optic modules which might confuse some users. However these limitations are acceptable given the high performance and integration it provides.
This gateway is ideal for AT&T fiber subscribers seeking a reliable replacement for older models. It is strongly recommended for households needing integrated voice and data services with high-speed wireless capabilities.
Integrated Voice and Data Services
This gateway allows simultaneous use of phone video and high-speed data ensuring all essential services run smoothly without extra hardware.
High-Speed Wireless Capabilities
Supporting Wi-Fi 6 on both 2.4GHz and 5GHz bands the device ensures fast and reliable wireless connections throughout your home.
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2. NETGEAR Nighthawk CAX30 – Best Cable Combo
NETGEAR Nighthawk CAX30
DOCSIS 3.1 Support
AX2700 WiFi 6
Gigabit Wireless Speed
Xfinity Compatible
The NETGEAR Nighthawk CAX30 is a powerful modem router combo designed for cable internet users seeking high performance. It features DOCSIS 3.1 technology and supports speeds up to 800Mbps on Xfinity plans.
Pros
- Modem router combo
- Wide provider support
- Easy app setup
- Strong security features
Cons
- Not for fiber users
- Higher price point
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Key strengths include coverage for up to 2000 sq ft and capacity for 25 connected devices making it ideal for busy homes. It also offers robust security features like WPA3 encryption and firewall protection.
Trade-offs include incompatibility with fiber services like Verizon or AT&T which limits its audience. However for cable users this device offers significant flexibility and speed upgrades over older models.
This product is best suited for Xfinity Spectrum or Cox subscribers needing a reliable all-in-one solution. It is recommended for those prioritizing whole home coverage and easy management via the Nighthawk app.
Whole Home Wi-Fi Coverage
The device provides dual-band AX2700 WiFi 6 coverage for up to 2000 sq ft ensuring connectivity in every room of your home.
Advanced Security Protection
Built-in WPA3 encryption and firewall protection keep your family and devices safe from potential online threats and attacks.
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3. NETGEAR Nighthawk CM3000 – Best Multi-Gig Modem
NETGEAR Nighthawk CM3000
2.5Gbps Ethernet Port
DOCSIS 3.1
Up to 2.5Gbps
Cable Only
The NETGEAR Nighthawk CM3000 delivers multi-gigabit speeds ideal for users with the fastest cable plans available today. It is approved for providers like Xfinity and Spectrum supporting plans up to 2.5Gbps.
Pros
- Future-proof speeds
- Wide provider approval
- Active Queue Management
- Easy app management
Cons
- Requires separate router
- Mid-split availability check
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Key strengths include a 2.5 Gig Ethernet port connecting your router for maximum speed potential. It also features Active Queue Management to improve response times during peak congestion.
Trade-offs involve the need for a separate router and verifying mid-split availability with your provider. However these are acceptable for users seeking top-tier cable performance and future-proofing.
This modem is recommended for power users needing maximum throughput for gaming or streaming. It is ideal for those upgrading their network to support multi-gigabit internet plans.
Future-Proof Multi-Gig Speeds
With a 2.5 Gig Ethernet port this modem supports today's fastest cable plans and prepares your network for future speed upgrades.
Peak Performance Optimization
Active Queue Management and OFDMA ensure lag-free gaming and video calls even when the whole family is online simultaneously.
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4. NBS AT&T Wireless-ax – Best Renewed Option
NBS AT&T Wireless-ax Renewed
Networking Router Type
Integrated ONT
Fiber ONLY
Renewed Condition
The NBS AT&T Wireless-ax Renewed offers a cost-effective option for fiber users needing an ONT gateway. It functions as a networking router with integrated voice gateway capabilities for AT&T services.
Pros
- Cost-effective choice
- Integrated ONT support
- Voice Gateway ready
Cons
- Low customer rating
- Condition varies by unit
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Key strengths include its integrated design which simplifies setup for fiber connections. It supports simultaneous phone video and data usage over available WAN interfaces.
Trade-offs involve a low customer rating and variability in renewed conditions which might affect reliability. Buyers should weigh savings against potential performance inconsistencies carefully.
This device is best for budget-conscious buyers comfortable with refurbished tech. It is recommended for those needing a direct replacement for fiber service with voice integration.
Renewed Cost Savings
Buying a renewed unit provides significant savings compared to new models while still offering essential ONT and voice gateway functions.
Integrated Voice Support
The gateway supports primary line VoIP telephone service alongside video and data for a complete home network solution.
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5. Hitron CODA56 – Best High-Speed Modem
Hitron CODA56
DOCSIS 3.1
2.5Gbps Port
No WiFi Included
Cable Only
The Hitron CODA56 is a powerful cable modem designed for users needing multi-gigabit performance. It supports plans up to 2.5Gbps and features a 2.5 Gbps Ethernet port for high-speed connections.
Pros
- High speed capability
- Supports up to 2.5Gbps
- Backward compatible
Cons
- Router required
- No wireless features
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Key strengths include backward compatibility with DOCSIS 3.0 networks and optimized low latency for gaming. It can help eliminate monthly modem rental fees with its robust performance.
Trade-offs involve the requirement to buy a separate router since WiFi is not included. However this is acceptable for users preferring modular setups with high-speed wired connections.
This modem is ideal for Xfinity Spectrum or Cox subscribers needing reliable high-speed access. It is recommended for those seeking value through ownership rather than renting hardware.
Gaming and Streaming Optimization
The modem features low latency DOCSIS 3.1 technology optimized for smooth 4K streaming gaming and video calls without interruptions.
Potential Rental Savings
Owning this modem may eliminate monthly equipment charges depending on your provider rates saving you money over time.
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6. Arris Surfboard S34 – Best Future-Proof Modem
Arris Surfboard S34
2.5Gbps Port
Multi-Gig Speeds
Next Gen Upstream
Router Required
The Arris Surfboard S34 offers a compact multi-gig modem ideal for users needing speed upgrades. It supports plans up to 2.5Gbps and provides a 2.5 Gigabit Ethernet port for fast connections.
Pros
- Compact modern design
- Easy setup process
- CableLabs certified
Cons
- Requires separate router
- Only cable internet
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Key strengths include a modern space-saving footprint and simple LED indicators for easy monitoring. It is CableLabs certified for compatibility with major US ISPs like Xfinity and Cox.
Trade-offs involve the need for a separate router and fiber incompatibility. However these are acceptable given the device's speed potential and future-proof upstream capabilities.
This modem is best for cable subscribers seeking reliable performance and design. It is recommended for those planning to upgrade to higher tier internet plans soon.
Next Gen Upstream Support
The modem supports future upload speed tiers ensuring your network remains ready for advanced ISP services and high upload needs.
CableLabs Certified Reliability
Being CableLabs certified means this device is tested and qualified for reliable use across major US internet service providers.
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7. AT&T BGW210 – Best Legacy Gateway
AT&T BGW210
Bonded VDSL2
Four Gigabit Ports
ONT Required
Voice Gateway
The AT&T BGW210 is a reliable gateway for users needing bonded VDSL2 service and voice integration. It features four gigabit ports and USB 2.0 connectivity for added flexibility.
Pros
- Voice service support
- Multiple USB ports
- Easy voice setup
Cons
- ONT connection required
- Older Wi-Fi standards
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Key strengths include support for concurrent Wi-Fi and voice services via a single device. It is designed to work with an external ONT for fiber or hybrid connections.
Trade-offs involve older Wi-Fi standards and the need for an ONT to function properly. However for AT&T subscribers needing voice these features remain valuable.
This gateway is recommended for users transitioning from older DSL setups. It is ideal for households requiring stable voice and data services with a proven track record.
Voice and Data Integration
This device supports voice services alongside internet connectivity allowing for seamless communication and browsing in one unit.
Flexible Connectivity Options
With four gigabit Ethernet ports and two USB 2.0 ports the gateway provides ample options for wired connections and peripherals.
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8. CenturyLink Greenwave C4000XG – Best Budget Fiber
CenturyLink Greenwave C4000XG
Fiber Optics Only
No Phone Port
CenturyLink Ready
Basic Gateway
The CenturyLink Greenwave C4000XG is a budget-friendly option specifically designed for fiber optic internet services. It supports fiber only connections without needing a phone port for basic users.
Pros
- Fiber only support
- Cost effective pricing
- No voice port needed
Cons
- Lowest rating in list
- Limited functionality
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Key strengths include its low cost and specialization for fiber networks. It is suitable for users needing straightforward internet access without advanced voice features.
Trade-offs involve a lower customer rating and limited features compared to more expensive models. However for basic fiber users this is an acceptable compromise for savings.
This gateway is best for budget-conscious CenturyLink subscribers. It is recommended for those prioritizing cost over advanced networking capabilities.
Fiber Specific Design
This device is built specifically for fiber optics ensuring stable and fast connections without the need for additional DSL phone ports.
Basic Connectivity Focus
With a focus on fiber internet the gateway provides essential connectivity without unnecessary features that increase cost.
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9. Verizon Fios G1100 – Best Fios Router
Verizon Fios G1100
AC1750 WiFi
Six Available Ports
Fios Optimized
Quantum Gateway
The Verizon Fios G1100 is a high-rated router designed specifically for Fios internet plans. It delivers AC1750 dual-band WiFi and provides six available ports for multiple connections.
Pros
- Highest rated option
- Excellent coverage
- Advanced security
Cons
- Fios specific only
- Older 2019 version
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Key strengths include reliable connections and advanced security features suitable for gaming and streaming. It is easy to manage via an intuitive app interface.
Trade-offs include its exclusivity to Verizon Fios and older hardware specs compared to modern routers. However for Fios users it remains a top performer.
This router is best for Verizon Fios subscribers seeking stable coverage. It is recommended for households needing seamless connectivity and security.
Seamless Home Coverage
The AC1750 dual-band WiFi ensures seamless internet coverage across your home supporting multiple devices without signal drop.
Easy App Management
An easy-to-use app interface makes managing your network simple allowing quick access to settings and monitoring.
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10. NETGEAR CM2050V – Best Voice Support
NETGEAR CM2050V
Multi-Gig Modem
2.5Gbps Ethernet
2 Phone Lines
Voice Compatible
The NETGEAR CM2050V is a multi-gig modem designed for Xfinity voice services. It supports plans up to 2.5Gbps and includes voice line support with enhanced call features.
Pros
- Voice line support
- Fast multi-gig speeds
- Xfinity certified
Cons
- Voice only for Xfinity
- Router required
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Key strengths include a 2.5Gbps Ethernet port for fast connections and compatibility with Xfinity voice. It allows for up to two telephone lines with features like caller ID.
Trade-offs involve the requirement for a separate router and Xfinity exclusivity. However for voice users this is a powerful choice for speed.
This modem is ideal for Xfinity subscribers needing voice and high-speed internet. It is recommended for those seeking advanced voice call features.
Enhanced Voice Call Features
The device supports enhanced call features including caller ID 3-way conference calling and call forwarding for improved communication.
Multi-Gig Internet Speeds
With a 2.5Gbps Ethernet port this modem supports the fastest true multi-gig internet connections available on cable plans.
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Buying Guide – How to Choose the Best Att Fiber Modem
Choosing the right fiber modem requires careful consideration of compatibility and features to ensure it meets your home network needs.
Network Compatibility
Ensure the modem matches your internet service provider technology such as fiber or cable. Devices like the NBS BGW-320 are specifically for fiber while others work for cable only.
Check with your ISP to confirm the device model is approved before purchasing to avoid activation issues.
Speed Ratings
Look for modems that support at least the speed tier of your internet plan. Multi-gigabit ports like 2.5Gbps ensure future-proofing for faster plans.
Higher speed ratings reduce bottlenecks and improve overall performance across all connected devices.
Voice Integration
If you use VoIP services choose a gateway with integrated voice support. This simplifies setup by combining data and voice into one unit.
Voice capabilities are vital for users relying on home phone services over fiber connections.
Wi-Fi Standards
Modern Wi-Fi standards like Wi-Fi 6 provide better coverage and efficiency for multiple devices. Ensure the device supports the latest standards for optimal performance.
Advanced wireless standards help maintain speed even when many devices connect to the network simultaneously.
Port Options
Check the number of Ethernet ports available for wired connections. Multiple gigabit ports allow you to connect consoles PCs and TVs directly for stability.
USB ports can also be useful for adding storage or other peripherals to your network.
Security Features
Look for built-in firewalls and WPA3 encryption to protect your data. Security is crucial to prevent unauthorized access to your home network.
Advanced security features provide peace of mind against potential online threats and vulnerabilities.
Budget Considerations
Set a budget range based on your needs. Basic models offer savings while premium models offer advanced features like integrated voice and higher speeds.
Investing in a slightly higher price may save money on rental fees in the long run.
User Reviews
Read customer reviews to understand real-world performance. High ratings indicate reliability while common complaints highlight potential issues.
User feedback helps gauge ease of setup and long-term satisfaction with the device.
How to Use and Care for Your Att Fiber Modem
Connect the modem securely to the fiber optic line and ensure all cables are tight. Proper physical setup prevents signal loss and connection errors.
Power on the device and wait for status lights to stabilize before proceeding with activation. Most ISPs require activation steps before the modem connects to the network.
Regularly check for firmware updates to maintain performance and security. Keeping your modem updated ensures it runs efficiently without bugs.
Frequently Asked Questions
What is the difference between a modem and a gateway?
A modem connects to your ISP while a gateway combines a modem and router in one device. Gateways offer simplified setup and integrated features like voice and Wi-Fi for your home network.
Can I use a cable modem for fiber internet?
No cable modems are designed for coaxial lines and will not work with fiber optics. You must use a modem specifically approved for fiber connections like ONT gateways.
Do I need a separate router with a gateway?
Most gateways include built-in Wi-Fi so you do not need a separate router. However using a separate router can provide more advanced features for larger homes.
How do I know if a modem is compatible with my ISP?
Always check your ISP website or call them to verify approved devices. Using unapproved devices may lead to connection issues or lack of support from the provider.
What is a ONT and why is it needed for fiber?
An Optical Network Terminal converts fiber signals for your home network. It acts as the bridge between fiber cables and your modem or router.
Can I save money by buying my own modem?
Yes owning a modem avoids monthly rental fees charged by ISPs. Over time this can result in significant savings compared to renting equipment.
Final Thoughts on Choosing the Best Att Fiber Modem
This guide highlights top options like the NBS AT&T BGW-320 for seamless integration and reliability. Selecting the right device ensures your network runs efficiently.
Prioritize compatibility with your internet service provider to avoid connection issues. Features like voice support and speed ratings should align with your specific needs.
Always check current prices and availability before purchasing to ensure you get the best value. Prices may vary so verifying details helps secure a smart deal.