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Sb6121 in Computers For Sale

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$20.00   4 days ago
$35.00   4 days ago
$25.00   5 days ago
Arris/Motorola SB6121 DOCSIS 3.0 Cable Modem - $25

Arris/Motorola SB6121 DOCSIS 3.0 Cable Modem Item details in pics$25Pick up in north hill near Pensacola High School.

$19.00   1 week ago
Motorola Surfboard SB6121 cable modem - $19 (mint hill)

I bought this modem to avoid the monthly rental fee from the internet service provider. Like new condition, comes with everything that came with it, even the plastic seals. This is the model that EVERY body has (meaning popular). Will include some free ethernet cables. I'm locate at the end of Kuck rd. Mint Hill NC 28227.

$30.00   1 month ago
$20.00   1 month ago
Motorola Arris Cable Modem SB6121 - $20 (Summit)

DOCSIS 3.0 modem was in use on Comcast. Excellent condition. With power adapter. In box.Like new.

$25.00   1 month ago
Motorola SURFboard SB6121 DOCSIS 3.0 Cable Modem - $25 (Eldorado)

Used but fully functional Motorola SURFboard eXtreme CableModem model SB6121 with cable and power supply. Why rent when you can own.The Motorola SURFboard SB6121 is a cable modem intended for external use in computer systems. Dimensions for the unit are 1.7 inches wide by 5.2 inches deep by 5.2 inches high. Gigabit Ethernet is the interface type for the wired Motorola modem. The maximum transfer r

$40.00   1 month ago
ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem Include Original Box/Pac - $40 (Princeton, IL)

ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem Include Original Box/Packaging Works perfectly! all original items are included with it. I used it with Comcast/Xfinity but it is compatible with any ISP that uses DOCSIS 3.0 The protective film is still on the display.INCLUDED ITEMS Modem and AC/DC adapter original box, Asking $40 cash Text or call with questions at

$20.00   1 month ago
Motorola Surfboard cable modem SB6121 - $20 (Dewey)

Excellent condition W box paper work etc.Call or Text me any time. Mark

$10.00   1 month ago
Motorola SURFboard Modem (#SB6121) - $10 (Fargo, ND)

Selling a Motorola SURFboard DOCSIS 3.0 Modem (#SB6121). Was purchased new from best buy about a year ago. Haven't had any issues with it or experienced any downtime. Reason for selling is that this modem is not approved with Midcontinent and was required to upgrade. Original box and manuals are included as well as modem and power cable. asking $10 cashif interested, have any general questions, or

$20.00   1 month ago
$40.00   1 month ago
ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem Include Original Box/Pac - $40 (Princeton, IL)

Stop paying monthly rental fee for Comcast/Xfinity modem, buy your own ! ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem Include Original Box/Packaging Works perfectly! all original items are included with it. I used it with Comcast/Xfinity but it is compatible with any ISP that uses DOCSIS 3.0 The protective film is still on the display.INCLUDED ITEMS Modem and AC/DC adapter original box, Asking $4

$100.00   2 months ago
Motorola sb6121 modem Netgear n750 router - $100 (Ukiah)

Motorola surfboard modem sb6121 and netgear Wi-Fi router n750 both work perfect for Comcast users. Just changed to dish and don't need it. 100obo for both

$35.00   2 months ago
MOTOROLA SURFBOARD SB6121 DOCSIS 3.0 MODEM, FOR COMCAST, TIME WARNER, - $35 (Tucson)

WORKING MODEM SURFBOARD SB6121WITH POWER CABLE AND ETHERNET CABLEMOTOROLA SURFBOARD SB6121 DOCSIS 3.0 MODEM, FOR COMCAST, TIME WARNER, COX, CHARTERDescriptionThe Motorola SURFboard SB6121 is a cable modem intended for external use in computer systems. Dimensions for the unit are 1.7 inches wide by 5.2 inches deep by 5.2 inches high. Gigabit Ethernet is the interface type for the wired Motorola mod

$40.00   2 months ago
Like new Motorola Arris SB6121 Surfboard Modem - $40 (Arcata)

Like new, Motorola ARRIS SB6121 Modem. DOCSIS 3.0, IPv6, is compatible with Suddenlink and most other cable providers. I am including a 3 way splitter and cable as well. Please call or text $40 OBO, I need to sell ASAP.I will deliver if you pitch for gas.

$40.00   2 months ago
ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem - $40 (DAYTON)

Do you have cable internet? Are you a Time Warner/Spectrum customer who is paying them $6.99 a month to rent a cable modem? PAY NO MORE!! This cable modem is guaranteed to work with Time Warner/Spectrum and you'll no longer have to rent it from them! $7 a month for a whole year is $84!! You can buy this for half the price and it will pay for itself in 6 months!https://www.amazon.com/SURFboard-SB61

$40.00   2 months ago
ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem Include Original Box/Pac - $40 (Princeton, IL)

ARRIS SURFboard SB6121 DOCSIS 3.0 Cable Modem Include Original Box/Packaging Works perfectly! all original items are included with it. I used it with Comcast/Xfinity but it is compatible with any ISP that uses DOCSIS 3.0 The protective film is still on the display.INCLUDED ITEMS Modem and AC/DC adapter original box, Asking $40 cash Text or call with questions at

$20.00   2 months ago
MOTOROLA SB6121 DOCSIS 3.0 CABLE MODEM - $20 (Sarasota)

Here is a motorola sb6121 docsis 3.0 cable modem. Works great with frontier/verizon high speed internet service

$20.00   3 months ago
Motorola Arris Cable Modem SB6121 - $20 (Summit)

DOCSIS 3.0 modem was in use on Comcast. Excellent condition. With power adapter. In box.

$10.00   3 months ago
Motorola SURFboard Modem (#SB6121) - $10 (Fargo, ND)

Selling a Motorola SURFboard DOCSIS 3.0 Modem (#SB6121). Was purchased new from best buy about a year ago. Haven't had any issues with it or experienced any downtime. Reason for selling is that this modem is not approved with Midcontinent and was required to upgrade. Original box and manuals are included as well as modem and power cable. asking $10 cashif interested, have any general questions, or


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Last Updated on: July 25, 2017
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