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Motorola SURFboard SB5101N DOCSIS 2.0 Cable Modem - Non-Retail Packaging (Brown Box)

4.4 out of 5 stars 88 customer reviews
| 21 answered questions

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  • 10/100 Ethernet port to connect with router or computer
  • Front-panel LEDs indicate status and simplify troubleshooting
  • When connected to a DOCSIS 2.0 or 3.0 cable network, capable of up to 38Mbps down and 30Mbps upstream Internet speeds
  • Requires Cable Internet Service. Compatible with major U.S. Cable Providers.
  • Specially designed architecture-allows for future upgrades

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Product Description

Motorola's next generation SURFboard SB5100 Cable Modem incorporates the latest DOCSIS 2.0 Advanced Time Division Multiple Access (A-TDMA) and Synchronous Code Division Multiple Access (S-CDMA) technologies to provide up to three times greater upstream capacity than DOCSIS 1.0/1.1 systems. Packed with power, the SB5100 is interoperable and backward compatible with DOCSIS 1.0 and 1.1 for a fast and timely transition - operators can deploy the SB5100 today without a service interruption. The Motorola SURFboard SB5100 is flexible and allows operators to maximize their current infrastructure investments and also offer additional cost-effective services, all at the same time. Convenient for both operators and end-users alike, the Motorola SURFboard SB5100 ensures end-user security via a top-mounted stand-by button that quickly isolates the USB and Ethernet connection to the PC without disconnecting the cable modem from the RF network. What's more, the SB5100 simplifies troubleshooting with its front panel status indicator LEDs and integrated HTML diagnostics page. The Motorola SURFboard SB5100 is competitively priced and includes many of the valuable features found in previous SURFboard models, such as USB and Ethernet connectivity, software upgrades available over the network, proven field reliability and quality, advanced RF design and a high-performance processor.

Product Information

Product Dimensions 10.5 x 6.8 x 2.9 inches
Item Weight 15.2 ounces
Shipping Weight 15.2 ounces
Manufacturer Motorola
ASIN B009WC6RRC
Item model number SB510N
Customer Reviews
4.4 out of 5 stars 88 customer reviews

4.4 out of 5 stars
Best Sellers Rank #298 in Computers & Accessories > Networking Products > Modems
Date first available at Amazon.com October 24, 2012

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Warning: Comcast just ended support of this modem. I just received mine yesterday and called this morning to register the modem and they said they just discontinued support for this modem. If you already have one it will still work, but they no longer let people register them. Check Comcast's website for approved modems. I hate Comcast.
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By Kann on January 2, 2014
Verified Purchase
I would recommend this product to anyone looking for a cable modem. I bought to replace a rental from a cable company. This on works better that their so called high price model.
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By EM on February 26, 2014
Verified Purchase
This modem is extremely fast, and at a great price. I was tired of paying the stupid 5 dollar rental to my cable company, so I looked online and found this modem. Not only was it better than the one I was using, but it also paid for itself in a short amount of time. If it doesn't work for you at first, make sure to call the cable company and register the new router.
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Verified Purchase
Don't let your cable company charge you $5-$7 bucks. This may be an older model, but the speeds are perfect for anyone subscribing to a basic cable internet package. I was able to score this refurbished for $8 and will save big $$ over the long run.
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Verified Purchase
So, I moved into an apartment complex and they told me in order to get internet service, I had to pay for their motorola surfboard and it was $80.00. After catching my breath from shock and disbelief, I asked if I could just use my own modem and they said I could if it was compatible with Comcast. OK, so I came here to Amazon to search for a motorla cable modem. I found this one and I actually bought a refurbished one for $9.99 (free shipping with Amazon Prime!!!). It worked very well and it works well still. I've had it about three months. What a deal!!!
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Verified Purchase
I purchased this item used, as opposed to the relatively more expensive new version. It worked well with my internet service provider and has given me no problems. I liked it so much that I purchased a second one for my father.
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Verified Purchase
Works with Bright house Tampa Fl I bought this to replace my cable modem Bright house was charging me 4.00 a month for I was going to buy one new but then saw a used one for 7.50 included shipping! I am Happy with my purchase the modem works but be ready to write down your Mac Id and model number , you can find these numbers on a white sticker on the bottom of the modem I had to call Bright house and they had to enter it in the system in order for it to work after being transferred and on hold awhile they finally got someone that hooked me up I then took my Bright-house modem back to their office I'm up and running, and will save some money ! I would like to add I'm just using this modem with "roadrunner light" ..I'm not sure if it will work with the faster speeds so do some research before you buy..
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Verified Purchase
Perfect, i bought this for $10(republished) and working with Comcast perfectly. it's not connecting with Comcast automatically bcz Comcast self connect list does not have this device. I called the Comcast agent and she configure the device in 5 min.
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