Reddit reviews ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black
We found 227 Reddit comments about ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black. Here are the top ones, ranked by their Reddit score.
Compatible with Time Warner Cable, Charter, Cox, Cablevision, and moreNot compatible with Verizon FiOS or AT&T U-verse, no longer approved by Comcast XfinityRequires Cable Iternet Service, if not sure your provider is CABLE call them to confirmBROWN BOX models NOT VALID for this item when sold as New, should report to Amazon immediately and RETURN to SellerWired 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.