NETGEAR Nighthawk CM3000
4.2Editor score
2.5 Gig Ethernet Port
DOCSIS 3.1 Support
Future-Proof Multi-Gig Speeds
In this guide
Finding the right fiber optic gateway is crucial for maximizing your internet speed and reliability. Whether you need a dedicated ONT or a voice gateway, understanding your providers requirements ensures seamless connectivity for all your devices.
We compared ten real products based on technical specifications, user ratings, and compatibility with major fiber providers. This list covers everything from integrated wireless gateways to standalone modems that require separate routing equipment.
Each pick highlights key features, pros, and cons to help you make an informed decision. Keep in mind that product availability and pricing can change, so always verify details before purchasing your new network hardware.
Top 3 Picks for Best Att Fiber Modem
NBS AT&T BGW-320 500
4.1Editor score
Integrated Wireless AX Support
Simultaneous Voice and Data
SFP Optical Module Cage
Hitron CODA56
4.4Editor score
Multi-Gig Performance
Low Latency Gaming
2.5 Gbps Ethernet Port
Top 10 Best Att Fiber Modem in 2026 Compared
This side-by-side comparison highlights the key specifications and capabilities of each product to help you quickly identify the best fit for your network needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
NBS AT&T BGW-320 500
Fiber ONLY Gateway
Wi-Fi 6 Support
Integrated Voice Service
SFP Optical Cage
4.1Editor score
Editor's Choice
NETGEAR Nighthawk CAX30
Cable Modem Only
DOCSIS 3.1
AX2700 Speed
2000 sq ft Coverage
4.1Editor score
Best Premium
NETGEAR Nighthawk CM3000
2.5G Ethernet Port
Mid/High-Split
Up to 2Gbps
Cable Internet Only
4.2Editor score
NBS AT&T Wireless-ax (Renewed)
Renewed Condition
Fiber ONLY Gateway
Integrated Voice Support
Standard Networking Router
1.0Editor score
Hitron CODA56
Modem Only
DOCSIS 3.1
2.5 Gbps Port
Requires Router
4.4Editor score
Arris Surfboard S34
2.5Gbps Ethernet
Up to 2.5Gbps
Next Gen Upstream
Modem Only
4.3Editor score
AT&T BGW210
Bonded VDSL2
Voice Gateway
4 Gigabit Ports
ONT Required
4.1Editor score
CENTURYLINK Greenwave C4000XG
FiberOptics Only
No Phone Port
DSL Not Supported
Networking Gateway
3.5Editor score
Verizon Fios G1100
AC1750 WiFi
Quantum Gateway
6 Available Ports
Fios Specific
4.5Editor score
NETGEAR Nighthawk CM2050V
Multi-Gig Cable
2.5Gbps Port
Voice Phone Support
Up to 2.5Gbps
4.0Editor score
1. NBS AT&T BGW-320 500 – Best Overall Att Fiber Modem
NBS AT&T BGW-320 500
Integrated Voice Gateway
Wi-Fi 6 Support
SFP Optical Cage
Fiber ONLY Compatible
The NBS AT&T BGW-320 500 stands out as a top choice for AT&T fiber users needing a reliable gateway. With its integrated ONT and voice capabilities, it offers a complete solution for residential internet and telephone services.
Pros
- Integrated voice service
- Dual-band Wi-Fi support
- Optical module cage
- Replaces older BGW models
- High-speed data interfaces
Cons
- Fiber only support
- Limited compatibility outside AT&T
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It supports simultaneous voice and high-speed data over WAN interfaces, making it ideal for households using IPTV and VoIP. The inclusion of SFP/SFP+ cages ensures flexibility for optical module connectivity.
While the Wi-Fi 6 support is robust with concurrent bands on 2.4GHz and 5GHz, it is strictly limited to fiber connections. Users on cable or DSL will find this device incompatible.
Overall, this gateway is perfect for AT&T fiber subscribers wanting a unified network device. Its design prioritizes speed, voice integration, and future-proof optical connections.
Seamless Voice and Data Integration
The device handles primary line VoIP telephone service alongside high-speed internet, reducing the need for separate hardware and simplifying your network setup.
Advanced Wi-Fi Performance
Concurrent support for 4×4 802.11ax on both 2.4GHz and 5GHz bands ensures strong wireless performance across various device types and distance ranges.
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2. NETGEAR Nighthawk CAX30 – Best Cable Combo Unit
NETGEAR Nighthawk CAX30
Modem Router Combo
DOCSIS 3.1
AX2700 WiFi 6
Cable Internet Only
The NETGEAR Nighthawk CAX30 combines a cable modem and WiFi 6 router into one device, making it ideal for cable internet users. It supports speeds up to 2.7 Gbps and covers up to 2,000 square feet.
Pros
- Integrated modem and router
- WiFi 6 coverage
- Supports 2.7 Gbps
- Easy setup via app
- Wired Gigabit ports
Cons
- Not for fiber or DSL
- Activation required after setup
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Its DOCSIS 3.1 technology ensures fast downloads and smooth WiFi for gaming. The device supports major providers like Xfinity and Spectrum, though it is not compatible with fiber or DSL services.
While it offers excellent performance, you will need ISP activation after setup. Additionally, it includes security features and a user-friendly app for managing your network from anywhere.
This combo unit is perfect for households seeking simplicity without sacrificing speed. It delivers reliable performance backed by NETGEAR support and robust security protocols.
Whole-Home WiFi Coverage
Dual-band AX2700 WiFi 6 ensures that every room in your home stays connected with capacity for over 25 devices simultaneously.
Security and Privacy Protection
Features include WPA3 encryption, firewall protection, and denial-of-service attack prevention to keep your family and devices safe online.
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3. NETGEAR Nighthawk CM3000 – Best Premium Cable Modem
NETGEAR Nighthawk CM3000
DOCSIS 3.1
2.5G Ethernet Port
Up to 2Gbps Plans
Cable Internet Only
The NETGEAR Nighthawk CM3000 is a powerful cable modem designed for users seeking maximum speed and future-proofing. It supports plans up to 2 Gbps and includes a 2.5 Gig Ethernet port for top performance.
Pros
- 2.5 Gig Ethernet port
- Future-proof speeds
- Active Queue Management
- Easy app management
- Supports major providers
Cons
- Not for fiber or DSL
- Requires separate router
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Its mid/high-split DOCSIS 3.1 technology unlocks faster download and upload speeds. This makes it ideal for gaming, video conferencing, and handling large file uploads efficiently.
Although it lacks built-in Wi-Fi, pairing it with a compatible router allows you to combine Gigabit ports for speeds up to 2 Gbps. Free Expert Help is included for the first 90 days.
This modem is best for those who want to maximize their cable internet plan. It delivers reliability, speed, and advanced features that ensure your network stays ahead of the curve.
Next-Gen Multi-Gigabit Performance
The 2.5 Gig Ethernet port connects your router for the fastest speeds in your area, ready for both current and future speed upgrades.
Lag-Free Gaming and Video
DOCSIS 3.1 Active Queue Management and OFDMA improve response times, ensuring smooth gaming and video calls even during peak usage hours.
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4. NBS AT&T Wireless-ax (Renewed) – Budget Friendly Option
NBS AT&T Wireless-ax (Renewed)
Fiber ONLY Gateway
Renewed Condition
Integrated Voice Support
Networking Router Type
This renewed NBS AT&T Wireless-ax Gateway offers a budget-friendly option for AT&T fiber subscribers. It provides integrated ONT and voice support in a compact package ideal for home networks.
Pros
- Renewed cost savings
- Integrated ONT technology
- AT&T Voice Gateway
- Voice and data support
- Simplified networking
Cons
- Lower user rating
- Limited to AT&T fiber
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As a gateway, it handles both high-speed data and primary line VoIP telephone service. The renewed status often means a lower price while maintaining essential functionality for AT&T users.
However, the lower user rating suggests potential variability in performance or condition. It is best suited for those comfortable with renewed items who need a straightforward voice and data gateway.
If you are an AT&T fiber user looking for cost-effective hardware, this gateway could meet your needs. Just ensure your service plan matches its capabilities before purchasing.
Cost-Effective Renewed Option
Choosing a renewed product can provide significant savings compared to new units while still delivering the core features needed for AT&T services.
Integrated Voice and Data
It supports simultaneous use of phone, video, and high-speed data, making it a versatile choice for households with multiple internet needs.
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5. Hitron CODA56 – Best Budget Modem Only
Hitron CODA56
Modem Only
DOCSIS 3.1
2.5 Gbps Port
Cable Internet Required
The Hitron CODA56 is a cable modem designed for users who want to own their equipment and avoid monthly rental fees. It supports internet plans up to 2.5 Gbps and features a dedicated 2.5 Gbps Ethernet port.
Pros
- Multi-Gig performance
- Low latency for gaming
- 2.5 Gbps Ethernet port
- Eliminates rental fees
- Backward compatible
Cons
- No WiFi included
- Requires separate router
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While it does not include built-in Wi-Fi, it pairs well with any compatible router to deliver seamless wireless connectivity. It is optimized for gaming and streaming with low latency and DOCSIS 3.1 technology.
Be sure to verify your internet type before purchasing, as it only works with cable providers like Xfinity and Spectrum. If you already have a router, this modem is a powerful upgrade path.
This modem is ideal for those seeking high performance without extra costs. Its support for multi-gig plans ensures you get the most out of your cable internet service.
High-Speed Multi-Gig Performance
Supports plans up to 2.5 Gbps and provides a dedicated Ethernet port to connect high-speed routers for true multi-gig connections.
Optimized for Streaming and Gaming
DOCSIS 3.1 technology with low latency ensures smooth 4K streaming, gaming, and video calls without interruptions during peak hours.
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6. Arris Surfboard S34 – Best for Multi-Gig Upgrade
Arris Surfboard S34
DOCSIS 3.1
2.5Gbps Ethernet Port
Up to 2.5Gbps
Modem Only
The Arris Surfboard S34 is a sleek multi-gig cable modem designed for users looking to unlock faster streaming and gaming speeds. It supports plans up to 2.5 Gbps and features both 2.5Gbps and 1Gbps Ethernet ports.
Pros
- Supports 2.5Gbps speeds
- Next Gen Upstream
- Compact modern design
- Simple setup process
- Compatible with major ISPs
Cons
- No built-in WiFi
- Router required
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It offers future-proof upstream capabilities, which means it can handle next-generation upload speed tiers. The compact design makes it easy to fit into any home entertainment setup.
As a modem-only device, you will need to pair it with a separate router. This allows for flexibility in choosing a router that best fits your specific network needs and budget.
This modem is perfect for modern households needing high-speed internet. It delivers ultra-fast performance while eliminating monthly rental fees and simplifying your home network.
Future-Proof Upstream Technology
Support for next-generation upload speed tiers means your modem can adapt to future upgrades offered by cable internet providers.
Ultra-Fast Multi-Gig Speeds
DOCSIS 3.1 performance supports plans up to 2.5 Gbps, ensuring smooth gaming, streaming, and downloads without lag or buffering.
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7. AT&T BGW210 – Reliable Voice Gateway
AT&T BGW210
Bonded VDSL2
Voice Gateway
4 Gigabit Ports
ONT Required
The AT&T BGW210 is a bonded VDSL2 wireless voice gateway designed for AT&T fiber and DSL services. It provides four Gigabit Ethernet ports and includes integrated voice services for telephone usage.
Pros
- 4 Gigabit Ethernet ports
- Integrated voice service
- Supports multiple devices
- Simple setup
- Compatible with ONT
Cons
- Requires separate ONT
- Limited to AT&T services
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While it supports Wi-Fi 802.11b/g/n/ac standards, note that an ONT is required for this gateway to function. This adds an extra step to your setup but ensures compatibility with fiber services.
The device is simple to set up and includes a power adapter and Ethernet cord. It handles voice, video, and high-speed data, making it a versatile option for AT&T subscribers.
This gateway is best for those already using AT&T services who need a reliable voice and data combo. Its Gigabit ports ensure wired devices receive fast, stable connections.
Integrated Voice Services
The single-port voice FXS allows for seamless integration of primary line VoIP telephone services alongside your home internet.
Robust Ethernet Connectivity
Four Gigabit Ethernet ports allow multiple devices to connect via cable for high-speed data and reliable streaming performance.
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8. CENTURYLINK Greenwave C4000XG – Fiber Specific Gateway
CENTURYLINK Greenwave C4000XG
FiberOptics Only
No Phone Port
DSL Not Supported
Networking Gateway
The CENTURYLINK Greenwave C4000XG is a gateway designed specifically for fiber optic services. It is ideal for CenturyLink users needing a reliable network connection without phone line requirements.
Pros
- Supports FiberOptics
- Compact design
- Network gateway capabilities
- CenturyLink compatible
- Simple interface
Cons
- No phone port
- Limited to fiber services
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It lacks a phone port and does not support DSL, making it strictly for fiber internet. While this simplifies the hardware, it limits its usability for those needing traditional voice services.
As a networking gateway, it handles high-speed data efficiently. Its compact design fits well in most home setups, though it may require additional routers for full wireless coverage.
This gateway suits CenturyLink fiber subscribers looking for a straightforward connection. Just ensure your plan is fiber-only to avoid compatibility issues during installation.
Fiber-Only Design
This gateway supports FiberOptics only, ensuring optimal performance for high-speed fiber internet connections without DSL limitations.
Networking Capabilities
As a networking gateway, it provides essential routing and switching features to connect your devices to the internet seamlessly.
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9. Verizon Fios G1100 – Best Fios Specific Gateway
Verizon Fios G1100
AC1750 WiFi
Quantum Gateway
6 Available Ports
Fios Specific
The Verizon Fios G1100 is a specialized quantum gateway designed for Verizon Fios internet plans. It delivers AC1750 dual-band WiFi and offers seamless internet coverage across your home.
Pros
- Dual-band WiFi 6
- Internal antennas
- Easy-to-use app
- Six available ports
- Fios optimized
Cons
- Verizon specific
- Limited to Fios plans
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With six available ports and internal antennas, it provides reliable connections for gaming, streaming, and work-from-home needs. The easy-to-use app interface simplifies network management for all users.
This gateway ensures fast speeds and advanced security features. It is perfectly engineered for Fios plans, maximizing your fiber connection's potential without needing extra hardware.
For Verizon Fios users, this gateway is a top choice. It balances performance, reliability, and ease of use to keep your home network running smoothly.
Seamless Internet Coverage
AC1750 dual-band WiFi ensures that your home stays connected with fast speeds and reliable coverage across every room.
Advanced Security and Control
Internal antennas and six available ports provide robust connectivity, while the app interface makes managing security and settings simple.
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10. NETGEAR Nighthawk CM2050V – Best for Voice Support
NETGEAR Nighthawk CM2050V
Multi-Gig Cable
Voice Phone Support
2.5Gbps Port
Up to 2.5Gbps
The NETGEAR Nighthawk CM2050V is a multi-gig cable modem certified for Xfinity Voice service. It supports plans up to 2.5 Gbps and includes features for two telephone lines.
Pros
- Supports 2 phone lines
- Enhanced call features
- 2.5Gbps Ethernet port
- Xfinity Voice certified
- Multi-Gig speed
Cons
- Requires separate router
- Xfinity specific
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It supports enhanced call features like caller ID and conference calling, making it ideal for households needing integrated voice services. The 2.5Gbps Ethernet port ensures fast internet connections.
This modem works with any WiFi router, providing flexibility in your network setup. It is made for U.S. use and delivers reliable performance for cable internet and voice users.
For Xfinity subscribers needing voice capabilities, this modem is a strong option. It combines speed, voice integration, and flexibility to meet diverse household internet needs.
Enhanced Voice Features
Support for two telephone lines with features like caller ID, 3-way conference calling, and call forwarding ensures reliable home phone service.
Multi-Gig Internet Speed
A dedicated 2.5Gbps Ethernet port provides true multi-gig internet connections, ensuring fast performance for your wired devices.
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Buying Guide – How to Choose the Best Att Fiber Modem
Choosing the right modem requires understanding your internet service provider's technology and your household's specific connectivity needs.
Provider Compatibility
Always confirm whether your provider uses fiber, cable, or DSL. Some devices are strictly limited to specific network types, such as AT&T fiber or Xfinity cable.
Fiber vs. Cable Technology
Fiber devices often use ONTs for optical signals, whereas cable devices rely on DOCSIS standards. Using the wrong technology will prevent the device from functioning.
Voice Gateway Requirements
If you need landline phone service, choose a gateway with built-in VoIP support. Standalone modems may lack telephone ports and fail to provide voice capabilities.
Wi-Fi Standards
Modern routers and gateways should support Wi-Fi 6 (802.11ax) for better performance. Ensure your device supports dual-band frequencies for optimal coverage.
Ethernet Port Speeds
Look for Gigabit or Multi-Gig Ethernet ports. High-speed plans require matching hardware to ensure wired devices get the full bandwidth available.
Future-Proofing
Invest in hardware that supports future speed upgrades. Devices with newer technologies like DOCSIS 3.1 or Wi-Fi 6 ensure longevity and better performance.
Security Features
Choose a device with built-in firewalls and WPA3 encryption. Security protocols protect your network from external threats and unauthorized access.
Cost vs. Rental Fees
Purchasing your own hardware eliminates monthly rental fees. While the upfront cost is higher, long-term savings can be significant compared to provider rentals.
How to Use and Care for Your Att Fiber Modem
Set up your gateway by connecting the fiber optic cable or Ethernet line to the ONT. Ensure the power adapter is plugged in and wait for the indicator lights to stabilize.
Frequently Asked Questions
Can I use a cable modem for fiber internet?
No, cable modems are not compatible with fiber networks. Fiber requires an ONT or specific fiber gateway to convert optical signals into electrical ones for your devices.
Do I need a separate router with a fiber gateway?
Many fiber gateways have built-in Wi-Fi. If your gateway lacks Wi-Fi or you need better coverage, adding a separate router can enhance network performance and range.
What is the difference between a modem and a gateway?
A modem connects to your ISP, while a gateway combines modem and router functions. Gateways simplify your setup by providing both internet connectivity and Wi-Fi.
Will buying my own gateway save money?
Yes, purchasing your own gateway can eliminate monthly rental fees charged by providers. Over time, this saves money compared to renting hardware from your ISP.
How do I know which gateway works with AT&T?
Verify the device is labeled as fiber-compatible. AT&T gateways typically include ONT and VoIP capabilities to ensure seamless integration with their services.
What happens if I use a non-compatible gateway?
Your internet connection may fail to activate. Providers require certified hardware to ensure proper network integration and service compatibility.
Final Thoughts on Choosing the Best Att Fiber Modem
Selecting the right fiber modem ensures optimal performance for your home network. Consider your provider's specific requirements and household needs before making a decision.