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mctraxx
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Arris Surfboard Cable Modem DOCSIS 3.0 200 Series Model SB6121

US $9.07
or Best Offer
Was US $12.95 (30% off)What does this price mean?
Recent sales price provided by the seller
$7.71 with coupon code
Condition:
Used
Sale ends in: 21h 50m

Additional service available

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Shipping:
US $16.65 USPS Ground Advantage®.
Located in: North Plains, Oregon, United States
Delivery:
Estimated between Thu, May 15 and Tue, May 20 to 43230
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Returns:
30 days returns. Seller pays for return shipping.
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eBay item number:156957236760

Item specifics

Condition
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is ...
DOCSIS Standard
DOCSIS 3.0
Maximum Downstream Data Rate
172 Mbps
Modem Device Type
Cable Modems & Routers
Color
Black
Model
Cable Modem
Connectivity
Wired-Ethernet (RJ-45)
Ports
Ethernet (RJ-45)
Carrier
Unlocked
UPC
0606440046624
Brand
Motorola
Type
Cable
MPN
575319-019-00

About this product

Product Information

Those looking for a fast and reliable modem that is compatible with both Mac and Windows operating systems can look at the Motorola SURFboard SB6121 (575319-019-00) 199.68 Mbps cable modem. This model uses the SNMP and HTTP remove management protocol along with the TCP/IP network transport protocol. This unit features a 195 Mbps transfer rate and it contains four different multiplexed channels. It features a variety of line coding formats and it is compatible with 32 QAM, 16 QAM, and QPSK line coding. Other features of the modem include IPv6 support, auto-negotiation, IPv4 support, and auto-uplink for users to take advantage of.

Product Identifiers

Brand
Motorola
MPN
575319-019-00
UPC
0612572186237, 0606440046624
Model
SURFboard SB6121
eBay Product ID (ePID)
114301358

Product Key Features

Type
Cable

Additional Product Features

Data Transfer Rate
199.68Mbps
Enclosure
External
Hardware Interface
Ethernet
Transmission Line
Cable
Network Ports
F-Connector

Item description from the seller

About this seller

mctraxx

99.3% positive feedback•517 items sold

Joined Feb 2013
Usually responds within 24 hours
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.7
Shipping speed
5.0
Communication
5.0

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Product ratings and reviews

Learn more
4.6
319 product ratings
  • 251 users rated this 5 out of 5 stars
  • 39 users rated this 4 out of 5 stars
  • 5 users rated this 3 out of 5 stars
  • 9 users rated this 2 out of 5 stars
  • 15 users rated this 1 out of 5 stars

Easy to set up

Good value

Performs well

Most relevant reviews

See all 195 reviews
  • by wcshamilton
    Jul 14, 2017Top favorable review

    SB6121 PREMOD Forceware v1.4b-mod2

    This is a review of the Motorola SB6121 PREMOD w/Forceware cable modem. If you are looking for one on a stock SB6121, look elsewhere. This is a totally different beast, and NOTHING will work for you. With that out of the way: It works great for what I wanted. After reading and reading, and reading some ore, I hooked it up, changed a few parameters to let it connect, and success! Nice and fast, most options are fairly easy to understand, and it works. Make sure the "Start Mode" is set to "Online", "Tuner CFG" to MT2170, and the "PGA Type" to MT1570. If your system uses certs, READ ALOT. There are quite a few How-To's out on the Web. A negative point: It can take awhile for the modem to reboot, and then foe your router to actually get it's DHCP address/etc from the modem, and actually ...

    Verified purchase: YesCondition: Pre-OwnedSold by: orangecountydeals

  • by josephfernadez1122
    Dec 08, 2015

    You get what you pay for

    I decided to choose this product rather than the faster modem, the SB6121 due to wanting to save a buck or two and because I live in a 1 bedroom apartment. The internet I receive is fast, adequate when running through the cables, obviously less so through wifi. All in all I appreciate the modem and it's usefulness. It was easy to set up and has been great thus far.

    Verified purchase: YesCondition: Pre-OwnedSold by: p70yuOqQTn2@Deleted

  • by ksvitale
    Apr 06, 2016

    Older model but still supported

    I purchased this product to be used on COMCAST. The first thing the installation tech said was that it was marked as "end of life", which meant that COMCAST would stop supporting it shortly and I would have to purchase another soon. This concerned me but upon a further conversation with a COMCAST telephone-support tech, I was told that it just meant that COMCAST was no longer selling this model and would not offer tech support for it. Having said all that, the unit is DOCSIS 3.0 compatible and should work up to 170 mbps. I am only using this modem with 10 mbps service whereas COMCAST is offering up to 2 gbps. If you are only planning to use this unit up to 170 mbps service then this unit is fine. Peace and blessings.

    Verified purchase: YesCondition: Pre-OwnedSold by: us_auctions4u

  • by charl.owens
    Oct 29, 2015

    Cable Modem SB6121

    Needed faster internet and cable was the only option. Cable company was charging a rental fee but gave options for me to purchase my own cable modem. Bought this used on Ebay and works great. Very happy with the purchase.

    Verified purchase: YesCondition: Pre-OwnedSold by: jeremy289er

  • by bigbubba2002
    Nov 08, 2015

    Streaming demon

    Set up with Comcast was a breeze, at least as far as over the phone anyway. Works well with thru my cisco router as all 4 of my puters wired and two laptops wireless all streaming YouTube or an anime channels at same time. No choking with this bad boy. Great and I mean great buy with screaming delivery time too of only two days from purchase. Impressed I am. Easy set up, easy activation, easy money as I saves my over a "hundred dollars a year" in rental fees to Comcast.

    Verified purchase: YesCondition: Pre-OwnedSold by: ssdealsprime

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