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ARRIS

ARRIS Surfboard SB 8200 DOCSIS 3.1 Gigabit Cable Modem, Approved for Cox, Xfinity, Spectrum & Others

587 ratings
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Key item features

  • Advanced Technology: Features DOCSIS 3.1, the newest cable modem technology offered by internet service providers, ensuring cutting-edge performance.
  • Rapid Data Flow: Equipped with 32 downstream and 8 upstream channels, enabling efficient and quick data transmission for demanding online tasks.
  • Gigabit Connectivity: Includes two 1-Gigabit Ethernet ports for robust and high-speed wired network connections to devices.
  • Optimized Performance: Capable of achieving the fastest download speeds available from cable providers, perfectly supporting Gigabit+ internet speed packages.
  • Entertainment Ready: Ideal for enhancing experiences with seamless 4K Ultra HD video streaming and immersive virtual reality gaming.
  • Broad Compatibility: Supports both IPv4 and IPv6 internet browsing standards, ensuring wide-ranging compatibility with modern web services.
  • Service Provider Approval: Officially approved for reliable operation with leading cable internet providers such as Cox and Comcast (Xfinity).
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Current price is $169.00
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Customer ratings & reviews

4 out of 5 stars
stars
587 ratings335 reviews
How item rating is calculated
  1. 5 stars64% (378)
  2. 4 stars9% (55)
  3. 3 stars5% (29)
  4. 2 stars5% (27)
  5. 1 star17% (98)

Reviews summary

Pros

  • : Quick to install and get started with.
  • : Provides speeds up to 500 mbps or higher.
  • : Operates consistently without issues.
  • : Modem's cost is comparable to similar products.

Neutral

  • : Can be strong throughout the house, but may vary or drop in certain areas.

Cons

  • : Frequently drops or loses connection, requiring restarts.
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Showing 1-3 of 335 reviews

May 28, 2026
Reviewer name: Amanda
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good Brand

To be honest, I returned this modem because it didn't solve the problem I was having with my internet connection dropping constantly. I have since discovered that the problem was my router, not my modem, which is why my review is positive. Though this one wasn't used by me, the one it was meant to replace was the exact same brand, which I love and have truly had no problems with, even though I thought I did at the time.

Helpful?1KLKUPCV53IV55670534
Jul 20, 2025
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works great and was delivered quickly!

When purchasing your own modem, keep in mind that you will need to call your carrier and give them the MAC address located on the bottom of the modem. I upgraded from a DOCSIS 3.0 modem to this DOCSIS 3.1 modem to take advantage of an upgrade from 300 Mbps to 600 Mbps. The very first speed test that I ran showed an upgrade from the 340 Mbps that I was getting to 687 Mbps immediately. Do I need that kind of speed… no. Do I want it… yes. I ordered it for delivery via the Walmart website and got it as quickly as I would have if ordered on Amazon. It was less expensive at Walmart by about $40 at the time of purchase.

Helpful?1KLKUPCV53IV55670534
Jun 13, 2026
Reviewer name: Dane
Sold and shipped byTop seller Brands
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

set up was easy. Modem is faster than previous modem and is ready for the new improvements coming from Coast Communications in GraysHarborCounty. recommend.

Helpful?1KLKUPCV53IV55670534