Compatible with Time Warner Cable, Charter, Cox, Cablevision, and more
Not compatible with Verizon FiOS or AT&T U-verse, no longer approved by Comcast Xfinity
Requires Cable Iternet Service, if not sure your provider is CABLE call them to confirm
BROWN BOX models NOT VALID for this item when sold as New, should report to Amazon immediately and RETURN to Seller
Wired modem only, does NOT include WIFI Router or VOIP Telephone adapter. Gigabit Ethernet port to connect to computer or Router for fast downloads.
Internet speeds based on your Cable providers service – up to 172 Mbps download and 131 Mbps upload. 4 Download and 4 Upload Channels.
ARRIS Surfboard DOCSIS 3.0 Cable Modem (SB6121) Time Warner Cable.
Amazon.com Price: $20.00 – $81.81 (as of 02/06/2019 07:54 PST- Details) Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Compatible with Time Warner Cable, Charter, Cox, Cablevision, and more
Not compatible with Verizon FiOS or AT&T U-verse, no longer approved by Comcast Xfinity
Requires Cable Iternet Service, if not sure your provider is CABLE call them to confirm
| Style | 4X4 Cable Modem, 8X4 Cable Modem, 8X4 Cable Modem – AC1600 WiFi Router, 8X4 Cable Modem – AC1750 WiFi Router |
|---|---|
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.

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