20 Best Motorola Modem Surfboard Sb6121 [2024]

Are you looking for the best motorola modem surfboard sb6121? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling motorola modem surfboard sb6121.

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1 ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black
2 motorola Surfboard SB6121 Cable Modem (Renewed) motorola Surfboard SB6121 Cable Modem (Renewed)
3 T-Power 12v AC DC Adapter Compatible with Comcast Xfinity Motorola Surfboard SBG6700AC SBG6580... T-Power 12v AC DC Adapter Compatible with Comcast Xfinity Motorola Surfboard SBG6700AC SBG6580...
4 motorola Surfboard SB6121 Cable Modem motorola Surfboard SB6121 Cable Modem
5 Motorola Surfboard SB6141 DOCSIS 3.0 High-Speed Cable Modem- Black (OEM Brown Box) Motorola Surfboard SB6141 DOCSIS 3.0 High-Speed Cable Modem- Black (OEM Brown Box)
6 T-Power 12V (6.6ft) Ac Adapter Compatible with NETGEAR & Motorola Arris Surfboard DOCSIS Cable Modem... T-Power 12V (6.6ft) Ac Adapter Compatible with NETGEAR & Motorola Arris Surfboard DOCSIS Cable...
7 Motorola SURFboard SB5101 DOCSIS 2.0 Cable Modem - Non-Retail Packaging (Brown Box) Motorola SURFboard SB5101 DOCSIS 2.0 Cable Modem - Non-Retail Packaging (Brown Box)
8 Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast... Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for...
9 Motorola SBG6580 Surfboard Extreme 3.0 Wireless Cable Modem Gateway - Latest Version (Renewed) Motorola SBG6580 Surfboard Extreme 3.0 Wireless Cable Modem Gateway - Latest Version (Renewed)
10 Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and... Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and...
11 ARRIS / Motorola SURFboard SB5101U DOCSIS 2.0 Cable Modem ARRIS / Motorola SURFboard SB5101U DOCSIS 2.0 Cable Modem
12 Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem (Renewed) Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem (Renewed)
13 Motorola SBG6580 SURFboard eXtreme 3.0 Wireless Cable Modem Gateway - Latest Version Motorola SBG6580 SURFboard eXtreme 3.0 Wireless Cable Modem Gateway - Latest Version
14 Motorola SB6182 DOCSIS 3.0 Cable Modem (Renewed) Motorola SB6182 DOCSIS 3.0 Cable Modem (Renewed)
15 Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter... Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox,...
16 ARRIS / Motorola SURFboard Gateway SBG901 DOCSIS 2.0 Wireless G Cable Modem - Retail Packaging ARRIS / Motorola SURFboard Gateway SBG901 DOCSIS 2.0 Wireless G Cable Modem - Retail Packaging
17 MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter... MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY,...
18 Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band... Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual...
19 Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power... Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power...
20 T-Power AC Adapter for 12v~ Belkin & Netgear Wireless Router, TPLINK & D-Link Modem, Motorola, eero... T-Power AC Adapter for 12v~ Belkin & Netgear Wireless Router, TPLINK & D-Link Modem, Motorola,...
Bestseller No. 1
ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black
  • 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.
Bestseller No. 2
motorola Surfboard SB6121 Cable Modem (Renewed)
  • This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning,...
SaleBestseller No. 3
T-Power 12v AC DC Adapter Compatible with Comcast Xfinity Motorola Surfboard SBG6700AC SBG6580...
  • T-Power - manufactured with Brand-new Input Voltage Range: AC 100V - 240V (12V )
  • Compatible Models: Motorola ARRIS SURFboard SB6190 SB6183 Sb5100 ,Comcast Xfinity Motorola Surfboard ARRIS SURFboard SBG6700AC SBG6700-AC SBG6580...
  • Belkin Wireless Router N150 N300 N450 N600 N750; Netgear N150 N600 N300; ,, MOTOROLA 579765-003 2247-N8 ADSL 2,2+ Wireless-N Modem Gateway - Black ,,...
  • Motorola SB6120 Cable Modem SURFboard eXtreme SBG6580 SURFboard Wireless Cable Modem Gateway Ethernet SBG901 556315-005-00 SURFboard Gateway DOCSIS...
SaleBestseller No. 4
motorola Surfboard SB6121 Cable Modem
  • This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning,...
Bestseller No. 5
Motorola Surfboard SB6141 DOCSIS 3.0 High-Speed Cable Modem- Black (OEM Brown Box)
  • 10/100/1000 Mbps Ethernet port to connect with router or computer
  • DOCSIS 3.0 certified, capable of up to 343 Mbps and upload speeds up to 131 Mbps based on Cable provider service
  • Compatible with all major CABLE providers like Comcast/Xfinity, Cox, Charter, Time Warner, Mediacom, Bright House. Call your ISP to verify...
  • Compatible with Windows, Macintosh and UNIX computers
  • Front-panel LEDs indicate status and simplify troubleshooting
Bestseller No. 6
T-Power 12V (6.6ft) Ac Adapter Compatible with NETGEAR & Motorola Arris Surfboard DOCSIS Cable Modem...
  • T-Power - manufactured with the highest quality materials , POWER SPECS : Input Voltage Range: AC 100V - 240V , Power: 12V 2A
  • Compatible Models: NETGEAR Nighthawk X4 R7500 R7000 C3000 EX6200 AC2350 AC1900 N300 FVS318 GS108 Smart Extender Router , NETGEAR CM400 CM500 CM600...
  • Motorola 16x4 Cable Modem, Model MB7420 , MB7420-10 , MB7420-10-W , Motorola Surfboard SB6120 SB6121 SB6141 SB6180 SBG6580 SBG901 900 Cable Modem...
  • AD898F20 PN: DSA-20P-10, 332-10011-01 , 332-10613-01 DSA-0151F-12 , Netgear DGN2200 N 300 Router, DSA-20P-10 332-10011-01 DSA-0151F-12 , NetGear...
  • U.S. Robotics USR3453C Courier 56K Business Modem ; USR4000 Call Director ; USR5686G Wireless Broadband Router DSL Cable Modem , Compatible With...
SaleBestseller No. 7
Motorola SURFboard SB5101 DOCSIS 2.0 Cable Modem - Non-Retail Packaging (Brown Box)
  • When connected to a DOCSIS 2.0 or 3.0 cable network, capable of up to 38Mbps down and 30Mbps upstream Internet speeds.
  • Specially designed architecture-allows for future upgrades
  • Requires Cable Internet Service. Compatible with major U.S. Cable Providers. Contact your ISP to verify compatibility.
  • Front-panel LEDs indicate status and simplify troubleshooting
  • 10/100 Ethernet port to connect with router or computer
SaleBestseller No. 8
Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast...
  • Ultra-fast DOCSIS 3.1 performance - Delivers true Gigabit-plus speeds. Supports fast internet plans with Comcast Xfinity, Cox, and Spectrum. Backward...
  • Pairs with any WiFi router - Seamlessly compatible with any WiFi router to connect all your devices. This cable modem does NOT have a built-in...
  • Multi-gigabit Ethernet speed - A 2.5 GB Ethernet port delivers true high-speed connectivity to even the fastest routers and computers, providing...
  • Fast streaming, conferencing, gaming - Applies Active Queue Management (AQM) for reduced Internet latency and better app performance, including online...
  • Extreme cost savings - Owning your own modem typically saves the home $168 per year in monthly rental charges. (Savings described is for Comcast...
Bestseller No. 9
Motorola SBG6580 Surfboard Extreme 3.0 Wireless Cable Modem Gateway - Latest Version (Renewed)
  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Call internet service provider if not listed here. Requires...
  • Not compatible with: Verizon, AT&T, or CenturyLink
  • Two-in-one DOCSIS 3.0 Cable Modem + N300 WiFi Router
  • Docsis 3.0 Modem with 8 DOWNLOAD and 4 UPLOAD Channels capable of 343 Mbps download and 131 Mbps.
SaleBestseller No. 10
Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and...
  • Fast 24x8 DOCSIS 3.0 cable Modem Plus a built-in AC1900 Dual band (2.4GHz and 5GHz) Wi-Fi Gigabit Router with four Gigabit (GigE) Ethernet ports,...
  • Eliminate up to 156 dollars per year in cable Modem rental fees. (Savings are shown for Comcast Xfinity and vary by cable service provider.) certified...
  • Built-in high-speed router with AC1900 wireless and Power boost - Provides internet access for Wi-Fi devices including smartphones, notebooks,...
  • Wireless power boost for better speed and range - Adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit,...
Bestseller No. 11
ARRIS / Motorola SURFboard SB5101U DOCSIS 2.0 Cable Modem
  • Item is Modem Only. Requires Cable Internet Service. Compatible with major U.S. Cable Providers.
  • Internet download speeds up to 38 Mbps and upload speeds up to 30 Mbps based on your Cable provider service
  • Front-panel LEDs indicate status and simplify troubleshooting.Check with your internet service provider to determine modem compatibility
  • 10/100 Ethernet port to connect with router or computer
  • Specially designed architecture-allows for future upgrades
SaleBestseller No. 12
Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem (Renewed)
  • Designed to provide a cost effective, next generation technology to offer a high speed residential or commercial service tier. Item is Cable MODEM...
  • User-friendly online diagnostics and bonded channel status page
  • Features a 10/100/1000Base-T Gigabit Port for incredible wired network speeds
  • Capable of downloading up to 2000 times faster than 56k analog phone modems; up to 4 times faster than DOCSIS 2.0 broadband
  • Intuitive, easy to read front panel operational status LEDs
Bestseller No. 13
Motorola SBG6580 SURFboard eXtreme 3.0 Wireless Cable Modem Gateway - Latest Version
  • Download speeds up to 343 Mbps
  • 8 download and 4 upload channels
  • Compatible with Spectrum and Comcast Xfinity
  • Switchable 2.4/5.0 GHz Dual-band and 802.11n Wi-Fi
  • Includes a 4-Port Gigabit Ethernet Router
Bestseller No. 14
Motorola SB6182 DOCSIS 3.0 Cable Modem (Renewed)
  • DOCSIS 3.0 Cable Modem Only - WiFi Router Sold Separately
  • Easy to Set up & Activate with Your Internet Service Provider
  • 8x4 Channel Bonding Supports Wired Download Speeds up to 150Mbps
  • Small Form Factor Allows for Easy Storage without Extra Bulky Hardware
Bestseller No. 15
Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter...
  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1900 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a...
  • Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, Suddenlink,...
  • Built-in high-speed Wi-Fi router with AC1900 Wi-Fi, and Power Boost, and DFS provides Internet access for Wi-Fi devices including smartphones,...
  • Wireless Power Boost adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed...
  • Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk...
Bestseller No. 16
ARRIS / Motorola SURFboard Gateway SBG901 DOCSIS 2.0 Wireless G Cable Modem - Retail Packaging
  • Requires CABLE Internet Service, if not sure your provider is CABLE call them to confirm
  • Internet download speeds up to 38 Mbps and upload speeds up to 30 Mbps based on your Cable provider service
  • Wi-Fi Router - 802.11g (backwards compatible with 802.11b) and single 10/100 Eternet port
  • Front-panel LEDs indicate status and simplify troubleshooting
Bestseller No. 17
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter...
  • This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a...
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in...
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe...
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if...
SaleBestseller No. 18
Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band...
  • THREE-IN-ONE CABLE MODEM, AC1900 ROUTER, AND XFINITY COMPATIBLE VOICE PORTS - Includes 24X8 DOCSIS 3. 0 cable modem, AC1900 Dual Band (2. 4GHz and...
  • REQUIRES COMCAST XFINITY INTERNET SERVICE. Approved by and for use with Comcast Xfinity and Xfinity X1. This product will not work with any other...
  • ELIMINATE UP TO 156 Dollars IN CABLE MODEM RENTAL FEES PER YEAR – Say goodbye to monthly rental fees and landline phone costs.
  • BUILT-IN HIGH-SPEED ROUTER WITH AC1900 WIRELESS AND POWER BOOST - provides Internet access for WiFi devices including smartphones, notebooks, tablets,...
  • WIRELESS POWER BOOST FOR BETTER SPEED AND RANGE - adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving...
SaleBestseller No. 19
Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power...
  • Instantly upgraded you WiFi performance with advanced tech all while saving up to $168 per year in rental fees by owning your cable modem.
  • Access the fastest cable internet plans available, with the future-proof performance of the DOCSIS 3.1 cable modem.
  • Includes a built-in high speed AC3200 WiFi router with Power Boost, Range Boost, and AnyBeam WiFi Beamforming for ultra fast, reliable WiFi.
  • Intelligent mobile app - Comes with a smart WiFi app for easy setup, guest network management, usage monitoring, speed testing, parental controls,...
  • Reliability you can count on - A worldwide leader in technology people depend on. Comes with 2-years of free expert support from our team
Bestseller No. 20
T-Power AC Adapter for 12v~ Belkin & Netgear Wireless Router, TPLINK & D-Link Modem, Motorola, eero...
  • T-Power ( TM ) Made with the highest quality Brand-new Input Voltage Range: AC 100V - 240V, High-Quality Cable! This adapter has 60 days limited...
  • Compatible WITH FOR 12VDC ONLY: Belkin F5X007 XM Satellite Radio Receiver Boombox , Epson DC-11 ELP-DC11 DC-10s ELPDC10S ELP-DC10S DC-20 DC-20...
  • Motorola MG7550 16x4 Cable Modem plus AC1900 Dual Band Wi-Fi Gigabit Router , Belkin Wireless Router N150 N300 N450 N600 N750; F9K1001 F9K1002 F9K1102...
  • eero Home WiFi System A010101 A010201 A010301 U.s. Robotics Usr3453c Usr5686g , Actiontec GT784WN, CenturyLink C1000A , 567005-005-00 SURFboard Cable...
  • Belkin Wireless Router N150 N300 N450 N600 N750; F9K1001 F9K1002 F9K1102 F9K1105 F9K1116 F9K1124 Netgear Wireless Router N150 N300 N600 N450...

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FAQ:

Q: What is the Motorola surfboard hack?

A: Sigma is flashed into the non-volatile memory of certain Motorola modems allowing complete control over the hardware. Hacking the Surfboard with an inexpensive chip and a soldering iron, users rlogin to the device and tinker with the modem’s VxWorks operating system and web interface.

Q: What is Motorola surfboard?

A: SURFboard is a cable modem released by Motorola.It features surfing speeds of up to 160 MBPS and can be used on almost all major U.S. cable Internet service providers like Comcast, Time Warner, and many others.

Q: What do the lights on a Motorola cable modem mean?

A: Today most companies will provide you with one box that performs the task of the modem,router and WiFi access point all in one box That box will have several lights on it and there will be one more that are blinking When everything is normal then only the light that indicates Internet activity will blink

Q: What is surfboard modem?

A: 2.4 GHz with 802.11n 2×2 antennas = 300 Mbps 2.4 GHz with 802.11n 3×3 antennas = 450 Mbps 2.4 GHz with 802.11ac 3×3 antennas = 600 Mbps 5 GHz with 802.11ac 2×2 antennas = 900 Mbps 5 GHz with 802-11ac 3×3 antennas = 1300 Mbps