If you have been searching for the best Motorola Sb6121 Docsis 3.0 Cable Modem, you probably have noticed that not all models have the same specifications, some can adapt better than others to different tasks. To help you choose the product you need, we have gathered 10 of the best Motorola Sb6121 Docsis 3.0 Cable Modem from different categories on the market.
Best Motorola Sb6121 Docsis 3.0 Cable Modem
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Product Title
Rating
1

Motorola SURFboard SB6121 Cable Modem (SB6121)
9.6
Amazon.com
2
![ARRIS (SB6190) - Cable Modem - Fast DOCSIS 3.0 32x8 Gigabit Modem, For Comcast Xfinity, Cox & more [Does not work with Spectrum] 1 Gbps Port, 800 Mbps Max Internet Speed, 2 Year Warranty - White](https://m.media-amazon.com/images/I/31dUaMH9LML._SS520_.jpg)
ARRIS (SB6190) - Cable Modem - Fast DOCSIS 3.0 32x8 Gigabit Modem, For Comcast Xfinity, Cox & more [Does not work with Spectrum] 1 Gbps Port, 800 Mbps Max...
9.5
Amazon.com
3

MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
9.2
Amazon.com
4

Motorola B12 - Advanced Compact Cable Modem | Pairs with Any WiFi Router | Supports Comcast Xfinity, Cox, Spectrum | 2500 Mbps Max | DOCSIS 3.1 | 2.5 Gbps...
8.9
Amazon.com
5

T POWER 12V 6.6ft Ac Adapter for NETGEAR & Motorola Arris Surfboard DOCSIS Cable Modem WiFi Router Power Supply Cord Charger
8.8
Amazon.com
6

Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 |...
7.9
Amazon.com
7

T-Power 12V AC DC Adapter for Comcast Xfinity Motorola Surfboard SBG6700AC SBG6580 SB6120 SB6121 SB6141 SB6180 Sbg6580, SB6183 SBG6782 SBG6782-AC SBG901 900...
7.2
Amazon.com
8

Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 +...
6.4
Amazon.com
9

MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and More (No Wireless)
5.8
Amazon.com
More Details
Features
Part Number | SB6121 |
Model | SB6121 |
Warranty | 1 year |
Color | Black |
Release Date | 2013-06-01T00:00:01Z |
Size | Max Download Speed: 172 Mbps |
Language | English |
- 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.
Features
Part Number | SB6190 |
Model | SB6190 |
Warranty | 2 Year Limited Warranty |
Color | White |
Is Adult Product | |
Release Date | 2024-04-01T00:00:01Z |
Size | Max Download Speed: 1.4 Gbps |
- 32 downstream x 8 upstream DOCSIS 3.0 bonded channels
- 1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
- Cable internet service required. Does not inlcude Wi-Fi and does not support cable digital voice service.
- arris
- 32x8 Cable Modem
Features
Part Number | MB7420-10 |
Model | MB7420-10 |
Warranty | 2 year manufacturer |
Color | Black |
Release Date | 2018-08-01T00:00:01Z |
- 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 faster, more reliable Internet.
- 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 wireless router and does not have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
- Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of 120 dollar or more per year
- 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 you need them.
Features
Model | B12 |
Warranty | 2 year manufacturer warranty |
Color | Black |
Size | compact DOCSIS 3.1 (2.5 Gbps Ethernet Port) |
- Ultra-fast DOCSIS 3.1 performance paired with a 2.5 Gbps ethernet port for true multi-gig internet speeds.
- Approved for Comcast Xfinity and supports the fastest internet plans available.
- Superior next generation technology but pays for itself. Owning your own modem eliminates up to $168 per year in monthly rental charges.
- Fast streaming, conferencing, gaming - Applies Active Queue Management (AQM) for reduced Internet latency and better app performance, including online gaming, conferencing, and streaming.
- Multi-gigabit Ethernet speed - A 2.5 GB Ethernet port delivers true high-speed connectivity to even the fastest routers and computers, providing downstream speeds just below 2,500 Mbps and upstream speeds up to 800 Mbps when supported by your internet service plan.
- This model replaces the MB8611 with 32 x 8 Channel Bonding
- 2 Year Warranty and US Technical Support available
Features
Part Number | TP-Fo5-UTC |
Model | TP-Fo5-UTC |
Warranty | 1 year manufacturer |
- 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 CM700 DOCSIS 3.0 Cable Modem
- Motorola 16x4 Cable Modem, Model MB7420 , MB7420-10 , MB7420-10-W , Motorola Surfboard SB6120 SB6121 SB6141 SB6180 SBG6580 SBG901 900 Cable Modem dta-100 DCT-700 PN# 503913-007 Model: MT-20-21120-A04F
- 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 8-Port 10,100 Switch (FS108)
- U.S. Robotics USR3453C Courier 56K Business Modem ; USR4000 Call Director ; USR5686G Wireless Broadband Router DSL Cable Modem , Compatible With Belkin Wireless Router N150 N300 N450 N600 N750; Netgear N150 N600 N300;
Features
Part Number | CODA56-S12 |
Model | CODA56 |
Warranty | See Hitron Website |
Color | DOCSIS 3.1 Modem (2.5 Gbps Ethernet) |
- FAST SPEEDS: Works with Internet plans up to 2.33 Gbps for Xfinity customers, up to 1 Gbps for Spectrum customers, and up to 2 Gbps for Cox customers. Make sure your Internet plan matches these speeds to get the best performance!”
- 2.5 GIGABIT ETHERNET PORT provides more speed to your router. Connect to a router, access point or wifi mesh system to take full advantage of these faster speeds throughout your home.
- CONNECT WITH A WIFI ROUTER or WIFI MESH to connect all of your WiFi devices to the Internet and harness 2.5 Gbps speeds to your end devices! (No Built-in WiFi/Router Capabilities)
- DITCH THE RENTAL FEES - Say goodbye to those pesky modem rental fees by switching to the CODA56. Replacing your leased DOCSIS 3.1 modem can save you up to $168 a year. (Savings may vary by provider).
- CERTIFIED TO WORK WITH Comcast Xfinity, Comcast Xfinity Business, Charter Spectrum, Cox Gigablast, Cable One Sparklight, and Zito Media. Also works with Astound, Grande, RCN, and Wave.
- DOES NOT WORK WITH DSL, Fiber, Fixed Wireless or Satellite Services. Please note that this internet modem is not compatible with Optimum, AT&T, Verizon, CenturyLink, Google Fiber, DISH, DirecTV, StarLink, or any bundled voice service.
- GET THE RIGHT MODEM FOR YOU: Before purchasing, contact your Internet Service Provider (ISP) to confirm that this modem is compatible with your Internet plan and meets your specific needs. This cable Internet modem DOES NOT HAVE BUILT-IN WIFI or ROUTING CAPABILITIES.
- FASTER GAMING AND STREAMING - Elevate your gaming, streaming, and video conferencing experiences with next-generation DOCSIS 3.1 technology. Benefit from 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels, reducing latency in DOCSIS 3.1 devices for smoother, uninterrupted online activities.
- A LEGACY OF PERFORMANCE AND TRUST - With over 30 years of experience, Hitron is a global pioneer in DOCSIS 3.1 modems and routers, a trusted expert known for delivering performance and reliability.
- ENJOY PEACE OF MIND with technical support available Monday through Friday, a detailed knowledge base, FAQs, and easy product registration. Plus, your purchase is backed by a product warranty.
Features
Part Number | TP-ru8-Z6C |
Model | TP- Motorola SB6120 SBG6580 |
Warranty | 1 year manufacturer |
- 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 SBG6580-G228 (570763-006-00) Comcast Xfinity 570406-002-00 DCX3200,A285,011 COMCAST MR150CNM , ARRIS F,G NO:588173-003-00 DCX3200 C385,011 MR150CNM DOCSIS ,, SBG6580 SBG6580-G228 (570763-006-00) ,, SB6120 SB6121 SB6141 SB6180 SBG901 900 Cable Modem dta-100 , DCT-700 PN# 503913-007 Model: MT-20-21120-A04F
- 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 ,, Sb5100, Sb5120, Sb5101, Sb5101u, Sb5101u, Sbg901, Sb6120, Sb6121, Sb6141, Sb6180, Sbg6580, SB6183 SBG6782 SBG6782-AC , Sbg901, 900 Cable Modem Dta-100, Dct-700, 503913-007, Mt-20-21120-a04f , Netgear N150 N600 N300 , U.s. Robotics Usr3453c Usr5686g ; SB5101U 567005-005-00 SURFboard Cable Modem USB and Ethernet ;
- Motorola SB6120 Cable Modem SURFboard eXtreme SBG6580 SURFboard Wireless Cable Modem Gateway Ethernet SBG901 556315-005-00 SURFboard Gateway DOCSIS 2.0 Wireless Cable Modem , NETGEAR DGN2000-100NAS DGND3300-100NAS DGND3700 MBR624GU 3G Mobile Broadband Wireless Router N150 DGN1000-100NAS Wireless ADSL2 plus Modem Router N600 WNDR3400 WNDR3700-100NAS Dual B
- Ubiquiti Unifi Security Gateway (USG), Ubiquiti Networks USG Unifi 1000Mbps Security Gateway, gp-f120-100 power supply, Ubiquiti EdgeMax EdgeRouter Lite erlite-3, Ubiquiti EdgeRouter Lite ERLite-3 3-Port Networks X ER-X ERX EdgeMax 5-Port Advanced Gigabit Router Edge Max Router
Features
Part Number | MG7700-10 |
Model | MG7700 |
Warranty | 2 year manufacturer |
Color | Black |
Release Date | 2019-02-28T00:00:01Z |
Size | 8.6" H x 9.1" D x 2.6" W |
- 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, power boost Wi-Fi amplifiers, firewall security, and more. The maximum modem speed is 1000 Mbps, supporting service speeds up to 650.
- 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 by all leading cable service providers including Comcast Xfinity, Cox, Charter spectrum (no cable Modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
- Built-in high-speed router with AC1900 wireless and Power boost - Provides internet access for Wi-Fi devices including smartphones, notebooks, tablets, and more. 4 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable Modem Chipset provides security from denial of service attacks.
- Wireless power boost for better speed and range - Adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit, giving a significant Boost in speed and range. In addition, anybeam Performing at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range
Features
Part Number | MB7220 |
Model | MB7220-10 |
Warranty | 2 years |
Color | Black |
- This 8x4 DOCSIS 3.0 cable modem provides speeds up to 343 Mbps, eight times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
- Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This cable modem does not have a built-in wireless router or VoIP telephone adapter. The Motorola MG7310, MG7315, and MG7550 have a built-in wireless router.)
- Requires cable Internet service. Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
- 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 you need them.
- Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.