ARRIS SBG8300 Modem Router Combo Review Fast DOCSIS 3.1 Gigabit Speeds Tested

  • Supports ultra-fast internet speeds up to 1 Gbps, delivering smooth streaming and quick downloads throughout your home.
  • Combines a DOCSIS 3.1 cable modem and an 802.11ac Wi-Fi router, offering a seamless and powerful all-in-one networking solution.
  • Compatible with major US cable providers like Comcast Xfinity, Cox, and Spectrum, ensuring broad usability and easy setup.
  • Helps reduce monthly bills by eliminating modem rental fees, which can save up to $168 annually depending on your service provider.
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Description

Highlights of the ARRIS SURFboard SBG8300-RB

Testing the ARRIS SURFboard SBG8300-RB left me impressed by its DOCSIS 3.1 technology, which truly delivers on the promise of ultra-fast internet speeds. This combo device integrates a cable modem and Wi-Fi router, packing a punch with AC2350 Wi-Fi and the ability to bond multiple channels to max out gigabit internet. The support for Comcast Xfinity, Cox, Spectrum, and other major US cable providers means compatibility is broad, though it’s important to note it doesn’t work with fiber or DSL providers like Verizon or AT&T.

The 4 OFDM channels for downstream and multiple upstream channels ensure bandwidth stays robust even under heavy use. I experienced noticeably reduced lag during gaming sessions and my streaming quality stayed rock solid, which is a huge plus for anyone who depends on smooth connectivity throughout the house. Plus, owning this modem-router combo saved me the hassle and extra monthly fees of renting equipment from my provider.

Good Aspects of the Device

  • DOCSIS 3.1 technology offers speeds up to 1 Gbps, making it future-proof for high-speed internet plans.
  • The integrated AC2350 Wi-Fi router supports multiple devices with strong coverage and stable connections.
  • Four Gigabit Ethernet ports provide plenty of options for wired connections, great for home offices or gaming rigs.
  • Compatible with most cable internet providers, so switching providers won’t necessarily mean buying new equipment.
  • The black sleek design fits well into any tech setup without looking bulky or outdated.

The device runs on Linux OS, which I found quite stable and reliable. The setup process was straightforward with clear instructions, and the device’s compact size fits easily on a shelf or desk without hogging space. For households with multiple users and smart home gadgets, this modem-router combo handled simultaneous connections without breaking a sweat.

Limitations to Keep in Mind

Although the device performed well overall, a few drawbacks stood out during my testing:

  • It does not support cable digital voice service, so if you rely on your internet modem for home phone service, this might not be suitable.
  • No compatibility with fiber, DSL, or satellite internet providers, which limits its use strictly to cable internet users.
  • The renewed/refurbished status means it might show minor cosmetic wear, although performance remained unaffected in my case.
  • For extremely large homes, the Wi-Fi coverage could sometimes dip in far corners, necessitating an extender or mesh system.
  • The device has a weight of about 2 pounds and dimensions of 2.87 x 8 x 9.33 inches, which is compact but might feel a bit heavy for some setups.

Performance and Features in Daily Use

This modem-router combo is a beast at handling bandwidth-intensive tasks like 4K streaming, online gaming, and large downloads without hiccups. The bonding of up to 32 downstream and 8 upstream DOCSIS 3.0 channels, paired with 2×2 OFDM DOCSIS 3.1 channels, gives it a clear edge in managing network traffic efficiently. I noticed a significant drop in latency during multiplayer games, which made a big difference for my competitive gameplay.

The four Gigabit Ethernet ports came in handy when connecting my desktop PC, smart TV, and gaming console all at once. Wired connections are always more stable, and this device delivered consistently fast speeds on all ports. The Wi-Fi router supports 802.11ac, providing solid wireless speeds with a decent range. However, for a bigger house or multiple floors, Wi-Fi extenders might be necessary.

Alternative Offerings in the Modem Router Market

Comparing this combo to other popular devices, I found that some competitors offer more advanced Wi-Fi standards like Wi-Fi 6, which the ARRIS unit lacks. For example, the Netgear Nighthawk series includes Wi-Fi 6 support and slightly better coverage, but often at a higher price point. On the other hand, the ARRIS device’s DOCSIS 3.1 modem tech is cutting edge and often missing in cheaper alternatives.

Devices like the Motorola MB8611 offer similar DOCSIS 3.1 speeds but require a separate router, which can add to cost and clutter. The SBG8300-RB’s all-in-one design is a convenient middle ground. While it may not cater to fiber or DSL customers, it excels in delivering high-speed cable internet with minimal fuss.

Value Assessment: Is It Worth the Investment?

Factoring in the ability to save up to $168 per year by avoiding rental fees for a cable modem, this modem-router combo offers solid financial value. The upfront cost might be a bit higher than some basic models, but the performance gains and long-term savings justify the price. I appreciate the peace of mind from owning a trusted brand’s device, especially one with over 260 million modems sold.

The robust build quality and advanced features like multi-gig networking make it a smart choice for anyone aiming to future-proof their home internet setup. While it’s not the cheapest option out there, the balance between speed, ease of use, and compatibility with major cable providers makes the investment feel worthwhile to me.

Downsides Worth Considering

  • Lack of support for cable voice services might be a dealbreaker for some users.
  • Limited to cable internet only, excluding fiber or DSL users from benefiting.
  • The refurbished nature could deter users who want brand-new equipment or worry about longevity.
  • Wi-Fi coverage might not fully extend to very large or multi-story homes without additional hardware.
  • No built-in support for the newest Wi-Fi 6 standard, which some newer routers offer.

Final Thoughts on Features and Usability

The ARRIS SBG8300-RB shines as a solid modem-router combo for cable subscribers who want to ditch rental fees and upgrade their home networking. Its powerful DOCSIS 3.1 modem technology combined with the AC2350 Wi-Fi router and multiple Ethernet ports provides a versatile and reliable connection. Setup was hassle-free, even for less tech-savvy users like my parents, who appreciated the straightforward instructions and stable performance.

My kids enjoyed seamless streaming on their tablets and gaming consoles without lag or buffering, which is always a good sign of a dependable home network. The device’s black, compact design fits unobtrusively in the living room corner, blending well with the rest of the electronics. While it’s not perfect, especially if you need features like cable voice or Wi-Fi 6, it’s a strong contender in the cable modem-router market.

Overall, this combo unit delivers impressive speeds, good range, and reliable connectivity for cable internet users, making it a practical choice for most households aiming to improve their online experience.

Additional information

Wireless Type

802.11ac

Brand

ARRIS

Series

SBG8300-RB REFURBISHED

Item model number

SBG8300

Operating System

Linux

Item Weight

2 pounds

Product Dimensions

2.87 x 8 x 9.33 inches

Item Dimensions LxWxH

2.87 x 8 x 9.33 inches

Color

Black

Manufacturer

CommScope

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