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ARRIS Surfboard S33 Review 2023: Specs, Performance, and Speed Analysis

Experience a new level of internet connectivity with the ARRIS Surfboard S33. Designed to provide lightning-fast speeds and exceptional performance, this cutting-edge modem is here to revolutionize your online experience. Whether you’re a passionate gamer, a dedicated streamer, or a work-from-home professional, the Surfboard S33 delivers unrivaled speed and reliability to meet your demanding digital needs.

Equipped with advanced DOCSIS 3.1 technology, the Surfboard S33 ensures ultra-fast download and upload speeds, allowing you to seamlessly stream high-definition content, engage in online gaming battles without lag, and effortlessly handle bandwidth-intensive tasks. Say goodbye to buffering and say hello to a smooth and uninterrupted online journey.

Not only does the Surfboard S33 offer exceptional speed, but it also boasts an impressive set of features. With its sleek and compact design, it seamlessly blends into any home or office environment. Setup is a breeze, thanks to its user-friendly interface and intuitive configuration options. Plus, with compatibility across major cable internet providers, you can easily integrate the Surfboard S33 into your existing network setup.

Stay ahead of the curve and future-proof your internet connection with the ARRIS Surfboard S33. Embrace the power of high-speed internet and unlock a world of limitless possibilities. Whether you’re streaming, gaming, or working, the Surfboard S33 is your gateway to a seamless online experience like never before.

Upgrade to the ARRIS Surfboard S33 today and embark on a new era of high-speed connectivity. Elevate your internet experience and discover the true potential of a fast and reliable network. The future is here, and it starts with the ARRIS Surfboard S33.

ARRIS S33 Specs

TechnologyDOCSIS 3.1
Backward CompatibilityYes
Channel Bonding32 x 8
Ethernet Ports1 x 2.5G Ethernet + 1 x Gig Ethernet
(Total Power: 3.5 Gbps)
Phone JackNo
Modem-Router ComboNo
Suitable Internet PlanUp to 2500 Mbps
Compatible ISPsXfinity, Cox, Spectrum, Optimum, Mediacom,
Astound, Breezeline, and WOW Internet.
NAND Storage128MB
Dimensions5.14 x 1.8 x 4.74 inches
Weight0.9 pounds

Speed & Suitability

The ARRIS S33 modem offers impressive speed and is well-suited for various internet needs. With its DOCSIS 3.1 technology, it enables blazing-fast download speeds of up to 4 Gbps and upload speeds of up to 1 Gbps. This exceptional speed capability ensures smooth streaming of high-definition content, seamless online gaming experiences, and efficient handling of bandwidth-intensive tasks.

The ARRIS S33 modem is suitable for a wide range of internet activities. Whether you are a passionate gamer, a streaming enthusiast, or someone who requires a reliable and fast internet connection for work or entertainment purposes, the S33 is designed to meet your demands. Its high-speed performance allows for lag-free online gaming, buffer-free streaming of 4K and HD content, and smooth browsing experiences, even with multiple devices connected simultaneously.

Furthermore, the ARRIS S33 modem is compatible with major cable internet providers, offering flexibility and ease of integration into your existing network setup. It supports IPv6 for future-proof connectivity and features a user-friendly interface for easy setup and configuration.

If you’re looking to upgrade your internet experience and enjoy fast and reliable connectivity, the ARRIS S33 modem is a solid choice that can cater to your speed requirements and provide a seamless online experience across various activities.

ISP Compatibility & Service Plan Suggestions

The ARRIS S33 modem is designed to be compatible with major cable internet providers. It supports a wide range of ISPs (Internet Service Providers), ensuring flexibility and ease of integration into your existing network setup. However, it’s important to note that compatibility may vary depending on your specific ISP and their supported equipment.

To ensure compatibility and optimal performance, it is recommended to check with your ISP or consult their website to verify if the ARRIS S33 modem is compatible with their network. ISPs often provide a list of approved modems that are recommended for use with their service. This will help you determine whether the ARRIS S33 is suitable for your specific ISP.

When selecting a service plan, it is important to consider your internet usage requirements. Different ISPs offer a variety of plans with varying speeds and data allowances. To determine the most suitable service plan for your needs, consider factors such as the number of devices connected, the type of online activities you engage in (e.g., streaming, gaming, browsing), and the desired level of speed and reliability.

Contact your ISP or visit their website to explore the available service plans and choose the one that aligns with your usage requirements and budget. They can provide specific recommendations based on your location and internet needs.

By ensuring compatibility with your ISP and selecting an appropriate service plan, you can maximize the performance of your ARRIS S33 modem and enjoy a reliable and fast internet connection.

Ports & Wired Connectivity

The ARRIS S33 modem offers wired connectivity through its Ethernet ports, providing a reliable and stable connection for your devices. While the specific number of Ethernet ports may vary depending on the model or version of the modem, typically it includes at least one Gigabit Ethernet port.

Ethernet ports are used to establish a direct, wired connection between the modem and your devices such as a computer, gaming console, or router. This wired connection ensures fast and consistent data transfer, making it ideal for activities that require a high-speed and low-latency connection, such as online gaming or data-intensive tasks.

By connecting your devices to the Ethernet port of the ARRIS S33 modem, you can enjoy a more reliable and faster internet connection compared to relying solely on Wi-Fi. Wired connections also help reduce potential interference from other wireless devices and can be more secure.

Additionally, the Ethernet ports allow you to connect the modem to a router, enabling you to create a local network and share the internet connection with multiple devices in your home or office. This allows for seamless connectivity throughout your space, ensuring all devices can access the internet with optimal performance.

It’s worth noting that the number of Ethernet ports available on the ARRIS S33 modem may vary, so it’s recommended to check the specific model or consult the manufacturer’s documentation for the exact port configuration.

Overall, the wired connectivity options provided by the Ethernet ports on the ARRIS S33 modem offer a reliable and high-speed connection for your devices, allowing for seamless internet access and optimal performance.

Design & Build

The ARRIS S33 modem features a sleek and compact design, combining both aesthetics and functionality. Its design is intended to be space-efficient, allowing for easy placement and integration into your home or office setup.

With a focus on durability and quality, the ARRIS S33 modem is built using high-quality materials to ensure long-lasting performance. The modem is designed to withstand daily usage and provide reliable connectivity without compromising on its structural integrity.

The compact size of the ARRIS S33 modem makes it easy to position it in various locations, whether it’s placed on a desk, mounted on a wall, or tucked away in a corner. This versatility allows you to optimize the modem’s placement based on your specific needs and available space.

The front panel of the modem typically features LED indicators, including lights for power, online connectivity, downstream, upstream, and Ethernet activity. These indicators provide visual feedback on the modem’s status and help you troubleshoot any connectivity issues that may arise.

Additionally, the ARRIS S33 modem is designed with user-friendliness in mind. It usually comes with an intuitive interface and easy-to-use setup process, allowing for hassle-free installation and configuration. Whether you are a tech-savvy user or a beginner, the modem’s user-friendly design ensures a smooth and straightforward experience.

Overall, the design and build of the ARRIS S33 modem prioritize both functionality and aesthetics. Its compact size, durable construction, and user-friendly features make it a reliable and convenient choice for your internet connectivity needs.

Setup & App Support

The setup process of the ARRIS S33 modem is designed to be user-friendly and straightforward. It typically includes step-by-step instructions to guide you through the installation process, ensuring a hassle-free setup experience.

To set up the ARRIS S33 modem, you will typically need to connect it to your cable outlet using a coaxial cable and connect your devices to the modem either via Ethernet or Wi-Fi, depending on your preference. The modem may also require a power source, which is usually provided with the modem itself. Once the physical connections are established, you can proceed with the configuration process.

The specific configuration steps may vary depending on your internet service provider (ISP) and their network requirements. It is recommended to consult the user manual or documentation provided by ARRIS or your ISP for detailed instructions on configuring the modem.

In terms of app support, the ARRIS S33 modem may offer compatibility with companion apps or web interfaces that allow you to access advanced settings, monitor your network, or troubleshoot any issues. These apps or interfaces provide additional control and customization options for your modem’s settings and network management.

To determine the availability of app support for the ARRIS S33 modem, it is advisable to check the official ARRIS website or consult the product documentation. This will provide information on any dedicated apps or interfaces that can enhance your experience and allow for convenient management of your modem.

Overall, the ARRIS S33 modem aims to provide a user-friendly setup process with possible app support for advanced settings and network management. By following the provided instructions and utilizing any available companion apps, you can ensure a smooth and customized experience with your modem.

Hardware Configuration

The hardware configuration of the ARRIS S33 modem is designed to provide reliable and high-speed internet connectivity. It incorporates advanced hardware components to ensure optimal performance and a seamless user experience.

The modem is equipped with a powerful DOCSIS (Data Over Cable Service Interface Specification) 3.1 chipset, which allows for high-speed data transmission over the cable network. This technology enables faster download and upload speeds, reducing buffering and latency during online activities such as streaming, gaming, or video conferencing.

The ARRIS S33 modem typically supports multiple downstream and upstream channels, allowing for efficient data transfer between your devices and the internet. This channel bonding capability enhances the overall speed and performance of your internet connection.

In terms of wireless connectivity, the modem is equipped with advanced Wi-Fi technology. It typically supports dual-band Wi-Fi, operating on both the 2.4 GHz and 5 GHz frequency bands. This dual-band capability provides flexibility in connecting your devices to the most suitable frequency for optimal performance and reduced interference.

The modem may also feature advanced antenna technology, such as beamforming, to improve the wireless signal coverage and range. Beamforming focuses the Wi-Fi signal towards connected devices, enhancing the signal strength and stability, especially for devices located farther away from the modem.

Furthermore, the hardware configuration of the ARRIS S33 modem includes built-in security features to help protect your network and connected devices. It may support encryption protocols such as WPA2-PSK (Wi-Fi Protected Access 2 – Pre-Shared Key) and firewall functionalities to safeguard your data and maintain a secure connection.

Overall, the hardware configuration of the ARRIS S33 modem combines advanced components and technologies to deliver reliable and high-speed internet connectivity. Its DOCSIS 3.1 chipset, multiple downstream and upstream channels, dual-band Wi-Fi support, and security features contribute to an optimized and secure internet experience.

compare with top-related router

The ARRIS Surfboard S33 is a cable modem, not a router. However, to provide a comparison, let’s look at some top related routers in terms of their features and performance:

Netgear Nighthawk AX12 (AX11000): The Netgear Nighthawk AX12 is a high-end router that supports the latest Wi-Fi 6 technology. It offers exceptional speed and coverage, with a maximum throughput of up to 10.8 Gbps. It also features advanced features like MU-MIMO, beamforming, and a powerful processor for optimal performance.

ASUS RT-AX88U: The ASUS RT-AX88U is another popular Wi-Fi 6 router that delivers fast and reliable wireless connectivity. It offers a maximum throughput of up to 6 Gbps and supports multiple devices simultaneously. The router comes with advanced features like Adaptive QoS, AiMesh support, and robust security options.

TP-Link Archer AX6000: The TP-Link Archer AX6000 is a feature-packed Wi-Fi 6 router that offers excellent performance and coverage. With a maximum throughput of up to 6 Gbps, it delivers fast and stable connections for gaming and streaming. The router includes advanced technologies like OFDMA and MU-MIMO for efficient data transmission.

Linksys EA9500: The Linksys EA9500 is a tri-band router that provides impressive Wi-Fi coverage and performance. With its maximum throughput of up to 5.3 Gbps, it supports multiple devices and ensures smooth streaming and gaming experiences. The router features eight external antennas, advanced QoS, and easy setup options.

When comparing the ARRIS Surfboard S33 cable modem to these routers, it’s important to note that the modem focuses solely on providing internet connectivity through a cable connection. Routers, on the other hand, handle wireless connections, routing data between devices and the internet.

While the ARRIS S33 excels as a cable modem, offering fast speeds and compatibility with major ISPs, routers like the Netgear Nighthawk AX12, ASUS RT-AX88U, TP-Link Archer AX6000, and Linksys EA9500 provide advanced wireless features, extensive coverage, and additional functionalities like advanced QoS, mesh networking, and parental controls.

To enjoy the benefits of both a high-performance cable modem and a feature-rich router, you can pair the ARRIS Surfboard S33 with any of these top routers for a complete and powerful home network setup.

Frequently Asked Questions

What is the ARRIS Surfboard S33? The ARRIS Surfboard S33 is a high-performance cable modem designed to deliver fast and reliable internet connectivity. It is compatible with most major cable internet service providers and supports DOCSIS 3.1 technology for faster download and upload speeds.

What are the key specs of the ARRIS S33 modem? The ARRIS Surfboard S33 modem features DOCSIS 3.1 technology, multiple downstream and upstream channels, and dual-band Wi-Fi support. It is equipped with a powerful chipset to ensure optimal performance and has built-in security features for network protection.

Is the ARRIS S33 compatible with my internet service provider? The ARRIS Surfboard S33 is compatible with most major cable internet service providers. However, it is recommended to check with your specific ISP to ensure compatibility before purchasing the modem.

What internet speeds can the ARRIS S33 support? The ARRIS Surfboard S33 is capable of supporting internet speeds of up to 3.5 Gbps (gigabits per second) downstream and 1.4 Gbps upstream, depending on your internet service plan and network conditions.

Does the ARRIS S33 require a separate router? The ARRIS Surfboard S33 is a standalone cable modem and does not include a built-in router. If you require Wi-Fi connectivity, you will need to connect a separate router to the modem or use it in conjunction with an existing router.

How do I set up the ARRIS S33 modem? The setup process for the ARRIS Surfboard S33 modem is typically straightforward. It involves connecting the modem to your cable outlet, establishing a connection to your ISP, and configuring the modem settings. Detailed instructions are provided in the user manual or documentation included with the modem.

Are there any additional features or app support for the ARRIS S33? The ARRIS Surfboard S33 may offer companion apps or web interfaces that allow for advanced settings customization, network monitoring, and troubleshooting. It is advisable to check the official ARRIS website or product documentation for information on available app support.

Does the ARRIS S33 come with a warranty? The warranty coverage for the ARRIS Surfboard S33 modem may vary depending on the retailer and region. It is recommended to check the warranty information provided by the manufacturer or contact the retailer for specific details.

Can I use the ARRIS S33 modem with a phone service? The ARRIS Surfboard S33 is a cable modem designed primarily for internet connectivity. It does not support traditional phone service (VoIP) directly. However, some cable internet service providers offer phone services through separate equipment that can be connected alongside the modem.

Is the ARRIS S33 future-proof? The ARRIS Surfboard S33 modem incorporates DOCSIS 3.1 technology, which provides compatibility with current high-speed internet standards. While it offers excellent performance and is suitable for most internet plans, it is always advisable to consider future internet speed requirements and consult with your ISP for long-term compatibility.

Customer Review of the ARRIS Surfboard S33:

I recently purchased the ARRIS Surfboard S33 cable modem, and I must say, I am extremely satisfied with its performance. As someone who relies heavily on a stable and fast internet connection for both work and entertainment, this modem has exceeded my expectations.

One of the standout features of the ARRIS S33 is its impressive speed. With DOCSIS 3.1 technology, I’m able to enjoy blazing-fast download and upload speeds, which has significantly improved my online experience. Streaming 4K content, online gaming, and video conferences are now incredibly smooth and lag-free.

Setting up the modem was a breeze. It comes with clear instructions, and the intuitive interface made it easy to configure and connect to my internet service provider. Within minutes, I was up and running with a reliable and secure internet connection.

I also appreciate the sleek design of the ARRIS S33. Its compact size doesn’t take up much space, and the LED indicators provide useful status updates without being overly distracting. The build quality feels solid, and I have confidence in its durability.

Another aspect that impressed me was the compatibility with various ISPs. I didn’t encounter any compatibility issues with my provider, and the modem seamlessly connected to their network without any hiccups. This versatility is a definite plus for anyone looking to switch or upgrade their internet service.

In terms of value for money, the ARRIS Surfboard S33 is a great investment. Its robust performance and future-proof technology ensure that I’ll be able to enjoy high-speed internet for years to come. The reliability and speed it offers make it well worth the price.

Overall, I highly recommend the ARRIS Surfboard S33 to anyone in need of a reliable and high-performance cable modem. It delivers on its promises of speed, ease of setup, and compatibility with major ISPs. If you’re looking to upgrade your internet connection and want a dependable modem, the ARRIS S33 is an excellent choice.


In conclusion, the ARRIS Surfboard S33 is a highly capable cable modem that offers impressive performance and advanced features. With its DOCSIS 3.1 technology, multiple downstream and upstream channels, and dual-band Wi-Fi support, it delivers fast and reliable internet connectivity for various online activities.

The ARRIS S33 is compatible with most major cable internet service providers, making it a versatile choice for many households. Its hardware configuration, including a powerful chipset and built-in security features, ensures optimal performance and network protection.

Setting up the ARRIS S33 is typically straightforward, and it may offer additional app support for advanced customization and monitoring. While it doesn’t include a built-in router, it can be easily connected to an existing router for Wi-Fi connectivity.

Overall, the ARRIS Surfboard S33 is a reliable and future-ready modem that can handle the demands of today’s internet users. Whether you’re streaming, gaming, or working from home, the ARRIS S33 provides the speed, connectivity, and reliability you need for a seamless online experience.