Motorola SURFboard SB6121 Cable Modem (SB6121)
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Motorola SURFboard SB6121 Cable Modem (SB6121)
For the residential cable subscriber who wants a powerful modem capable of delivering a high-speed data service at blazing fast speeds.
Motorola SURFboard SB6121 Cable Modem (SB6121)
Numéro d'article: 17915

Motorola SURFboard SB6121 Cable Modem (SB6121)

Numéro d'article: 17915

XOF 36009

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For the residential cable subscriber who wants a powerful modem capable of delivering a high-speed data service at blazing fast speeds.
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Ce qui se démarque

High-Speed Connectivity
Supports cable Internet speeds up to 172 Mbps, providing a reliable and fast connection for streaming, gaming, and browsing, ideal for heavy users and households with multiple devices.
DOCSIS 3.0 Technology
Utilizes advanced DOCSIS 3.0 technology for better performance and efficiency, ensuring compatibility with most service providers and enhancing overall network stability compared to older models.
Easy Setup
Designed for simple installation with a user-friendly interface and included setup guide, allowing users to quickly connect and start enjoying high-speed Internet without professional help.

Détails du produit

Shop the Motorola SURFboard SB6121 Cable Modem on Ubuy Togo - Enjoy high-speed, stable internet connections with this reliable modem. Order now!
  • Compatible with major U.S. cable providers like Comcast, Cox, Charter, Time Warner, Mediacom, and Bright House
  • Not compatible with Verizon FiOS or AT&T U-verse and no longer approved by Comcast Xfinity
  • Requires cable internet service; ensure your provider offers cable by contacting them
  • Wired modem only, does not include Wi-Fi router or VOIP telephone adapter; features Gigabit Ethernet port for fast connections
  • Supports internet speeds based on your cable providers service, with up to 172 Mbps download and 131 Mbps upload, equipped with 4 download and 4 upload channels
  • Features a 10/100/1000 Base-T Ethernet Port (RJ-45) and comes with a 1-year limited warranty
BrandARRIS
Internet Service Providercox, optimum, spectrum, xfinity
Modem TypeCable
UPC021111531467 999997143176 163120457496 031112833194 808113025534 612572180136 707568510001 031112584188 793426726851 081258012236 804067410327 048159209707 168141495601 132017756516 172302715873 043396313620 999996719143 755263230472 151903603536 011822578936 490560200185 088020688156 885784846835 612572186237 763615975131
Global Trade Identification Number00612572186237
Unit Count1 Count
ManufacturerMotorola
Number of Items1
Item Type NameCable Modem
Item Weight1.5 pounds (680 grams)
Model NumberSB6121
Mfr Part NumberSB6121
Connectivity TechnologyWired
Compatible DevicesPersonal Computer, Router, Laptop
Number of Ports4
Maximum Downstream Data Transfer Rate172 megabits_per_second
Maximum Upstream Data Transfer Rate132 megabits_per_second
Data Transfer Rate160 megabits_per_second
Number of Ethernet Ports4
Item Dimensions L x W x H6.4"L x 2"W x 8.7"H (16.3 x 5.1 x 22.1 cm)
ColorBlack
Internet service providercox, optimum, spectrum, xfinity
Product Dimensions (L x W x H)6.4"L x 2"W x 8.7"H (16.3 x 5.1 x 22.1 cm)

À qui est-ce destiné ?

Suitable For
  • Standard Internet Users

    Ideal for casual users needing reliable internet for browsing, streaming, and social media without high-speed demands.

  • Budget Conscious Users

    Cost-effective choice for users seeking an affordable modem with solid performance for everyday online activities.

  • Home Office Workers

    Great for remote workers needing stable internet for video calls, emailing, and online collaboration without interruptions.

Not Suitable For
  • High-Speed Gamers

    Not suitable for competitive gaming due to potential limitations in speed and advanced features necessary for low latency.

DESCRIPTION DU PRODUIT

Motorola SURFboard SB6121 Cable Modem (SB6121)

Vous avez une question ? Chattez avec nous

Questions et réponses des clients

  • question: What are the key features of the Motorola SURFboard SB6121 Cable Modem?

    répondre: The Motorola SURFboard SB6121 boasts DOCSIS 3.0 technology, providing fast internet speeds of up to 172 Mbps. With four bonded channels for downstream and four for upstream, it ensures reliable performance for streaming and gaming. The modem is compatible with major ISPs, making it an excellent choice for broadband users. This modem excels in data transfer efficiency, supporting multiple devices simultaneously. If you're a modern-day user seeking uninterrupted connectivity for various online activities, the SB6121 is designed to fit seamlessly into your home network.
  • question: Is the Motorola SURFboard SB6121 compatible with my Internet Service Provider?

    répondre: Yes, the Motorola SURFboard SB6121 is widely compatible with most major ISPs, including Comcast, Time Warner Cable, and Cox. To ensure compatibility, it's best to check the list of supported modems on your ISP's website. Once you confirm, setting it up is straightforward, allowing you to enjoy high-speed internet with no additional equipment needed. For those looking to upgrade their home networking experience, this modem is a dependable choice that integrates well with various routers and enhances overall connectivity.
  • question: What is the difference between the SB6121 and other models in the SURFboard series?

    répondre: The SB6121 stands out in the SURFboard series due to its DOCSIS 3.0 technology, offering faster speeds compared to older DOCSIS 2.0 modems. While models like the SB6183 provide higher speeds for extreme users, the SB6121 provides a balanced option for average households. It is ideal for users who stream video content, engage in online gaming, or run multiple devices simultaneously. If you're looking for reliable performance without needing the highest specifications, the SB6121 effectively addresses everyday needs.
  • question: How do I set up my Motorola SURFboard SB6121 Cable Modem?

    répondre: Setting up the Motorola SURFboard SB6121 is a user-friendly process. Start by connecting the coaxial cable to the modem and the Ethernet cable to your router or computer. After plugging in the modem to a power source, give it a few minutes to boot up. You will know it is ready when the indicator lights stabilize. Then, follow the ISP activation instructions, usually accessible online or via phone. This step-by-step guidance ensures that users, whether tech-savvy or not, can achieve a seamless setup experience for their home network.
  • question: What speeds can I expect with the Motorola SURFboard SB6121?

    répondre: Users can expect download speeds up to 172 Mbps and upload speeds around 108 Mbps with the Motorola SURFboard SB6121, depending on their ISP plan. This modem's performance is particularly significant for households with multiple connected devices. Streaming high-definition videos or gaming online becomes a smooth experience, as the modem handles data efficiently. For those with moderate internet usage, such as browsing or video conferencing, the SB6121 provides ample speed and stability, ensuring no lag during critical tasks.
  • question: Can I use the SB6121 with a wireless router?

    répondre: Absolutely! The Motorola SURFboard SB6121 is designed to work seamlessly with various wireless routers. After setting up the modem, simply connect an Ethernet cable from the modem to the router’s WAN port. This integration creates a robust home network, allowing multiple devices to access the internet wirelessly. It is particularly useful for families or individuals who require reliable connectivity for laptops, smartphones, and smart TVs, all at the same time, enhancing your overall online experience.
  • question: Does the Motorola SURFboard SB6121 have built-in Wi-Fi?

    répondre: No, the Motorola SURFboard SB6121 does not come with built-in Wi-Fi. It operates solely as a cable modem, making it essential to pair it with a separate Wi-Fi router to create a wireless network. This design offers flexibility as users can choose a router that fits their specific needs in terms of coverage and speed. If you're looking to customize your home network, pairing the SB6121 with a quality router will ensure you have a strong and reliable Wi-Fi signal throughout your home.
  • question: What maintenance does the SB6121 require?

    répondre: The Motorola SURFboard SB6121 requires minimal maintenance. However, periodic checks on the connections and cable integrity are advisable to ensure optimal performance. Keeping the firmware updated, as recommended by your ISP, can also enhance security and functionality. This is especially important for users who rely on streaming services or online gaming, as consistent performance can significantly impact their experience. A little proactive attention can help prolong the modem’s lifespan while ensuring it operates efficiently.
  • question: Is the Motorola SURFboard SB6121 cost-effective for long-term use?

    répondre: Yes, the Motorola SURFboard SB6121 is an economical choice for long-term use, particularly for households experiencing high internet consumption. By investing in this modem, users eliminate monthly rental fees typically charged by ISPs for modem usage. The robust features and compatibility with various plans make it a worthwhile investment. For individuals and families that regularly stream movies or play online games, the SB6121 not only enhances their internet experience but also reduces overall costs associated with prolonged service plans.
  • question: Where can I buy the Motorola SURFboard SB6121 Cable Modem SB6121?

    répondre: You can buy the Motorola SURFboard SB6121 Cable Modem SB6121 from Ubuy in Togo. Ubuy offers a convenient platform to purchase this modem, ensuring you have access to this reliable product along with various customer service features. With a straightforward ordering process and a wide selection of electronic goods, Ubuy makes it easier for users in Togo to acquire essential tech items for their home networking needs.

ARRIS Modems SB6121 Editorial Review

The Motorola SURFboard SB6121 Cable Modem SB6121 provides a fast and reliable internet connection over coaxial cable with no built-in Wi-Fi, and should be registered with the ISP before use. There are conflicting answers about whether this is a modem/router combination. It is important to note that this modem has a theoretical limit of 170Mb down, which means that it can handle somewhere of 343Mb down maximum theoretical and is suitable for initial speeds up to 100Mb. However, the modem may not be compatible with Cox as advertised on the box. The customer review ratings for this product are generally positive, with some negative reviews/comments about poor installation instructions, bad firmware, or experience with Comcast customer support.

Avis et évaluations clients

1 évaluations des clients
  • 5 étoile
    100%
  • 4 étoile
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  • 2 étoile
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Avantages

  • Fast and reliable internet connection over coaxial cable
  • Easy to install and register with the ISP before use
  • Provides significant cost savings compared to renting from an ISP
  • Suitable for initial speeds up to 100Mb

Les inconvénients

  • Conflicting answers about whether this is a modem/router combination

CONFIANCE EN LA PLATEFORME & PROTECTION DE L'ACHETEUR

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“Great products and very good service: very easy and very fast international delivery.”

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10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Conforme PCI DSS et certifié ISO 27001:2022, avec des paiements chiffrés et une protection complète de l'acheteur pour chaque commande.

Nos meilleurs partenaires logistiques
  • fedex
  • dhl
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Caractéristiques et avantages

  • Compatible with ALL Major CABLE providers
  • 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

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