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Comcast Computer Modems 686 Mbps Maximum Downstream Data Rate

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  • ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black

    ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black

    (102)
    95% agree - Easy to set up
    $30.00 New
    $10.99 Used
  • Motorola MB742010 686mbps DOCSIS 3.0 Cable Modem

    Motorola MB742010 686mbps DOCSIS 3.0 Cable Modem

    (88)
    97% agree - Easy to set up
    $29.95 New
    $14.99 Used
  • NETGEAR Cm500-1aznas 16x4 DOCSIS 3.0 Cable Modem Max Download Speeds of 686mbps

    NETGEAR Cm500-1aznas 16x4 DOCSIS 3.0 Cable Modem Max Download Speeds of 686mbps

    (68)
    96% agree - Easy to set up
    $24.99 New
    $17.95 Used
  • Motorola MG7540-10 16x4 Cable Modem - Black

    Motorola MG7540-10 16x4 Cable Modem - Black

    (40)
    97% agree - Easy to set up
    $45.00 New
    $20.00 Used

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Best Selling

See All
  • Motorola MG7540-10 16x4 Cable Modem - Black

    Motorola MG7540-10 16x4 Cable Modem - Black

    (40)
    $45.00 New
    $20.00 Used
  • Motorola MB742010 686mbps DOCSIS 3.0 Cable Modem

    Motorola MB742010 686mbps DOCSIS 3.0 Cable Modem

    (88)
    $29.95 New
    $14.99 Used
  • NETGEAR Cm500-1aznas 16x4 DOCSIS 3.0 Cable Modem Max Download Speeds of 686mbps

    NETGEAR Cm500-1aznas 16x4 DOCSIS 3.0 Cable Modem Max Download Speeds of 686mbps

    (68)
    $24.99 New
    $17.95 Used
  • ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black

    ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black

    (102)
    $30.00 New
    $10.99 Used
  • Factory Linksys Cm3016 DOCIS 3.0 16x4 Cable Modem

    Factory Linksys Cm3016 DOCIS 3.0 16x4 Cable Modem

    (5)
    $29.97 New
    $13.99 Used
  • ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem - White

    ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem - White

    (5)
    $19.99 New
    $9.99 Used

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    • Motorola MG7540 DOCSIS 3.0, 16x4 Cable Modem WIFI Router 2.4G / 5G - Image 1 of 4
    • Motorola MG7540 DOCSIS 3.0, 16x4 Cable Modem WIFI Router 2.4G / 5G - Image 2 of 4
    • Motorola MG7540 DOCSIS 3.0, 16x4 Cable Modem WIFI Router 2.4G / 5G - Image 3 of 4
    • Motorola MG7540 DOCSIS 3.0, 16x4 Cable Modem WIFI Router 2.4G / 5G - Image 4 of 4

    Motorola MG7540 DOCSIS 3.0, 16x4 Cable Modem WIFI Router 2.4G / 5G

    Pre-Owned · Motorola
    (40)
    $15.85
    or Best Offer
    Trending at $16.65

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $6.53 shipping
    S⁣p⁣7⁣о⁣D⁣ ⁣D⁣n⁣s⁣X⁣ ⁣o⁣r⁣e⁣d⁣⁣⁣M⁣O⁣ ⁣⁣⁣E⁣⁣⁣⁣K⁣ ⁣
    • Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished - Image 1 of 3
    • Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished - Image 2 of 3
    • Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished - Image 3 of 3

    Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished

    Open Box · Motorola
    (40)
    $30.00
    $12.24 shipping
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    • Open Box, Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0 - Image 1 of 3
    • Open Box, Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0 - Image 2 of 3
    • Open Box, Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0 - Image 3 of 3

    Open Box, Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0

    Brand New · Motorola
    $42.95
    or Best Offer
    Free shipping
    N⁣S⁣G⁣p⁣o⁣n⁣ ⁣O⁣V⁣ ⁣D⁣A⁣ѕ⁣ ⁣o⁣Y⁣r⁣e⁣I⁣d⁣⁣⁣ ⁣4⁣⁣2⁣⁣⁣
    • ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black - Image 1 of 3
    • ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black - Image 2 of 3
    • ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black - Image 3 of 3

    ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black

    Brand New · ARRIS
    (102)
    $21.04
    or Best Offer
    Trending at $27.35

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $5.38 shipping
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  • Netgear CM500 16x4 DOCSIS 3.0 680Mbps High speed cable modem new in sealed box - Image 1 of 3

    Netgear CM500 16x4 DOCSIS 3.0 680Mbps High speed cable modem new in sealed box

    Brand New · NETGEAR
    (68)
    $24.99
    or Best Offer
    Trending at $27.36

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    Free shipping
    ⁣⁣E⁣7⁣⁣ ⁣⁣⁣U⁣P⁣⁣ ⁣Z⁣W⁣⁣ ⁣⁣C⁣M⁣⁣⁣ ⁣2⁣⁣8⁣⁣⁣ ⁣
  • MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0 - Image 1 of 3

    MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0

    Open Box · Motorola
    $13.60
    Was: $16.00was - US $16.00
    or Best Offer
    Free shipping
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  • Motorola MG7540 16x4 Cable Modem + AC1600 Router Dual Band 3.0 Black - Image 1 of 3

    Motorola MG7540 16x4 Cable Modem + AC1600 Router Dual Band 3.0 Black

    Pre-Owned · Motorola
    (40)
    $20.00
    Free shipping
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  • Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished - Image 1 of 3

    Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished

    Brand New · Motorola
    (40)
    $45.00
    or Best Offer
    $9.31 shipping
    O⁣2⁣ ⁣⁣⁣D⁣⁣K⁣⁣ ⁣T⁣⁣⁣⁣⁣Z⁣⁣ ⁣⁣⁣⁣1⁣⁣⁣⁣⁣B⁣ ⁣
  • Brand New Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0 - Image 1 of 3

    New ListingBrand New Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0

    Brand New · Motorola
    (88)
    $17.00
    Trending at $31.49

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $8.24 shipping
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  • Netgear CM500 16x4 DOCSIS 3.0 680Mbps High Speed Cable Modem (New Sealed In Box) - Image 1 of 4

    Netgear CM500 16x4 DOCSIS 3.0 680Mbps High Speed Cable Modem (New Sealed In Box)

    Brand New · NETGEAR
    (68)
    $15.00
    $6.45 shipping
    0 bids
    8h 41m
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  • Motorola Cable Modem 16x4 686 Mbps Model MB7420 Docsis 3.0 - NEW. BLACK - Image 1 of 2

    Motorola Cable Modem 16x4 686 Mbps Model MB7420 Docsis 3.0 - NEW. BLACK

    Pre-Owned · Motorola
    (88)
    $9.90
    or Best Offer
    Trending at $14.95

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $6.53 shipping
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  • Netgear CM500 16x4 DOCSIS 3.0 680Mbps High speed cable modem NEW - Image 1 of 4

    Netgear CM500 16x4 DOCSIS 3.0 680Mbps High speed cable modem NEW

    Brand New · NETGEAR
    (68)
    $20.00
    $7.67 shipping
    0 bids
    4h 46m
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  • ARRIS SURFboard DOCSIS 3.0 Cable Modem (SB6183) -No Power Cord, Black - Image 1 of 4

    ARRIS SURFboard DOCSIS 3.0 Cable Modem (SB6183) -No Power Cord, Black

    Pre-Owned · ARRIS
    (102)
    $10.99
    or Best Offer
    Free shipping
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  • Arris Surfboard SB6183 - Image 1 of 2

    Arris Surfboard SB6183

    Pre-Owned · ARRIS
    $11.89
    $6.45 shipping
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  • Motorola MB7420 Cable Modem DOCSIS 3.0 / 686 Mbps - No Power Cord - Image 1 of 4

    Motorola MB7420 Cable Modem DOCSIS 3.0 / 686 Mbps - No Power Cord

    Open Box · Motorola
    $10.00
    or Best Offer
    Free shipping
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  • LINKSYS 16 x 4 Cable Modem | 16 x 4 Bonded Channels | DOCSIS 3.0 | CM3016 - Image 1 of 2

    LINKSYS 16 x 4 Cable Modem | 16 x 4 Bonded Channels | DOCSIS 3.0 | CM3016

    Brand New · Linksys
    (5)
    $59.99
    or Best Offer
    Free shipping
    G⁣U⁣ ⁣O⁣S⁣P⁣ ⁣8⁣p⁣о⁣J⁣n⁣ ⁣s⁣3⁣o⁣2⁣r⁣e⁣d⁣ ⁣⁣7⁣5⁣ ⁣F⁣⁣⁣
  • Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished - Image 1 of 4

    Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished

    Open Box · Motorola
    (40)
    $40.41
    Was: $46.99was - US $46.99
    $5.00 shipping
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  • Motorola 16x4 Channel 3.0 Cable Modem Model MB7420 (Router Only) - Image 1 of 4

    Motorola 16x4 Channel 3.0 Cable Modem Model MB7420 (Router Only)

    Pre-Owned · Motorola
    (88)
    $12.80
    Trending at $14.95

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $8.50 shipping
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  • Renewed Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0 - Image 1 of 4

    Renewed Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps, DOCSIS 3.0

    Open Box · Motorola
    (88)
    $9.99
    Trending at $22.99

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $9.99 shipping
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  • ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black - Image 1 of 1

    ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black

    Open Box · ARRIS
    (102)
    $39.99
    or Best Offer
    $12.30 shipping
    ⁣4⁣D⁣ ⁣⁣⁣J⁣U⁣ ⁣L⁣C⁣⁣⁣⁣⁣⁣⁣ ⁣⁣2⁣V⁣⁣ ⁣Z⁣M⁣ ⁣G⁣⁣
  • Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished - Image 1 of 4

    Motorola 16x4 Cable Modem plus AC1600 Router Model MG7540 - Refurbished

    Open Box · Motorola
    (40)
    $30.00
    or Best Offer
    $6.00 shipping
    J⁣⁣⁣⁣⁣⁣H⁣⁣⁣⁣⁣⁣ ⁣U⁣E⁣⁣ ⁣⁣8⁣G⁣⁣ ⁣6⁣⁣7⁣⁣⁣ ⁣
  • Motorola MB7420 (16x4) Cable Modem DOCSIS 3.0 RFB - Image 1 of 4

    Motorola MB7420 (16x4) Cable Modem DOCSIS 3.0 RFB

    Open Box · Motorola
    $24.99
    Free shipping
    ⁣⁣S⁣⁣⁣⁣⁣⁣A⁣⁣⁣ ⁣⁣⁣G⁣⁣2⁣⁣ ⁣⁣⁣C⁣B⁣ ⁣⁣D⁣B⁣ ⁣
  • MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0 - Image 1 of 4

    MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0

    Open Box · Motorola
    $20.00
    Free shipping
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  • ARRIS SurfBoard SB6183 DOCSIS 3.0 Cable Modem, White - Image 1 of 2

    ARRIS SurfBoard SB6183 DOCSIS 3.0 Cable Modem, White

    Open Box · ARRIS
    (102)
    $9.99
    or Best Offer
    $8.50 shipping
    L⁣⁣⁣⁣⁣X⁣⁣ ⁣⁣2⁣⁣⁣⁣⁣4⁣⁣ ⁣W⁣Y⁣ ⁣J⁣⁣I⁣⁣⁣⁣⁣⁣
  • ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem - WHITE - Image 1 of 4

    ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem - WHITE

    Brand New · ARRIS
    $24.99
    $3.99 shipping
    ⁣L⁣⁣2⁣ ⁣1⁣⁣⁣⁣P⁣⁣ ⁣⁣F⁣⁣⁣⁣F⁣⁣⁣⁣ ⁣⁣⁣R⁣H⁣⁣ ⁣
  • ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem – Retail Unit, Customer Owned - Image 1 of 4

    ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem – Retail Unit, Customer Owned

    Pre-Owned · ARRIS
    (102)
    $17.98
    Free shipping
    Z⁣N⁣ ⁣⁣⁣⁣⁣⁣2⁣⁣⁣J⁣ ⁣⁣⁣⁣I⁣X⁣ ⁣G⁣⁣R⁣ ⁣5⁣Y⁣ ⁣⁣⁣
  • Motorola MG7540 16x4 Cable Modem Plus Wifi Router AC1600 *REFURBISHED - Image 1 of 4

    Motorola MG7540 16x4 Cable Modem Plus Wifi Router AC1600 *REFURBISHED

    Open Box · Motorola
    (40)
    $44.97
    or Best Offer
    $10.95 shipping
    I⁣⁣⁣⁣⁣F⁣ ⁣⁣⁣⁣⁣⁣B⁣⁣P⁣ ⁣L⁣E⁣⁣⁣ ⁣2⁣L⁣⁣ ⁣M⁣⁣2⁣
  • NEW/SEALED NETGEAR CM500 (CM5001AZNAS) 680 Mbps - Black - Image 1 of 4

    NEW/SEALED NETGEAR CM500 (CM5001AZNAS) 680 Mbps - Black

    Brand New · NETGEAR
    (68)
    $22.95
    or Best Offer
    Trending at $27.36

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $10.05 shipping
    ⁣H⁣J⁣ ⁣⁣Z⁣S⁣⁣⁣⁣⁣ ⁣Y⁣⁣7⁣⁣ ⁣6⁣⁣⁣⁣⁣Y⁣⁣⁣ ⁣⁣⁣
  • Motorola Cable Modem MB7420 16X4 686 Mbps New Open Box Comcast - Image 1 of 4

    Motorola Cable Modem MB7420 16X4 686 Mbps New Open Box Comcast

    Open Box · Motorola
    $34.95
    or Best Offer
    $8.99 shipping
    S⁣p⁣Y⁣o⁣n⁣7⁣ ⁣s⁣5⁣E⁣о⁣ ⁣r⁣E⁣e⁣d⁣7⁣⁣⁣ ⁣⁣9⁣H⁣ ⁣V⁣F⁣ ⁣⁣
  • Motorola MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wifi Router - Image 1 of 4

    Motorola MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wifi Router

    Pre-Owned · Motorola
    $49.99
    $12.58 shipping
    O⁣S⁣O⁣ ⁣J⁣J⁣p⁣о⁣n⁣ ⁣T⁣1⁣s⁣o⁣ ⁣N⁣U⁣r⁣ ⁣X⁣2⁣e⁣d⁣ ⁣⁣⁣⁣⁣
  • Motorola MB7420-10 16x4 686 Mbps DOCSIS 3.0 Cable Modem xfinity timewarner Refur - Image 1 of 4

    Motorola MB7420-10 16x4 686 Mbps DOCSIS 3.0 Cable Modem xfinity timewarner Refur

    Brand New · Motorola
    (88)
    $38.97
    $6.45 shipping
    S⁣2⁣7⁣ ⁣D⁣р⁣o⁣R⁣n⁣ ⁣M⁣E⁣ ⁣s⁣P⁣o⁣r⁣U⁣ ⁣e⁣d⁣I⁣G⁣⁣⁣ ⁣⁣8⁣
  • MOTOROLA 16x4 Cable Modem MB7420 / 686 Mbps DOCSIS 3.0 - With Power Cables - Image 1 of 4

    MOTOROLA 16x4 Cable Modem MB7420 / 686 Mbps DOCSIS 3.0 - With Power Cables

    Pre-Owned · Motorola
    $10.00
    $6.28 shipping
    Ѕ⁣p⁣o⁣n⁣s⁣o⁣r⁣5⁣7⁣ ⁣e⁣d⁣⁣⁣L⁣⁣Z⁣⁣⁣ ⁣Q⁣⁣K⁣ ⁣⁣⁣5⁣⁣
  • Motorola Cable Modem + AC1600 2G/5G WIFI Router MG7540 Xfinity/Cox/Spectrum - Image 1 of 3

    Motorola Cable Modem + AC1600 2G/5G WIFI Router MG7540 Xfinity/Cox/Spectrum

    Pre-Owned · Motorola
    (40)
    $59.99
    or Best Offer
    Free shipping
    O⁣⁣⁣F⁣ ⁣L⁣⁣⁣⁣⁣G⁣ ⁣U⁣⁣G⁣⁣ ⁣⁣⁣⁣G⁣⁣F⁣ ⁣⁣4⁣⁣I⁣
  • Motorola 16x4 Cable Modem 686 Mbps MB7420-10R MB7420-30 - Image 1 of 2

    Motorola 16x4 Cable Modem 686 Mbps MB7420-10R MB7420-30

    Pre-Owned · Motorola
    (88)
    $17.95
    Free shipping
    N⁣W⁣⁣⁣ ⁣M⁣L⁣ ⁣I⁣⁣⁣6⁣ ⁣Z⁣P⁣ ⁣M⁣⁣⁣Z⁣⁣⁣⁣ ⁣⁣⁣⁣J⁣
  • Motorola MB7420 16x4 Cable Modem 686 Mbps DOCSIS 3.0 - Image 1 of 4

    Motorola MB7420 16x4 Cable Modem 686 Mbps DOCSIS 3.0

    Open Box · Motorola
    (88)
    $14.00
    Was: $20.00was - US $20.00
    or Best Offer
    $9.39 shipping
    7⁣⁣⁣8⁣⁣⁣ ⁣⁣1⁣I⁣⁣⁣ ⁣⁣Y⁣⁣⁣J⁣ ⁣2⁣⁣⁣L⁣⁣ ⁣K⁣8⁣⁣
  • ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black No adapter - Image 1 of 4

    ARRIS SB6183 Surfboard 16x4 DOCSIS 3.0 Cable Modem - Black No adapter

    Open Box · ARRIS
    (102)
    $16.00
    Trending at $21.33

    eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.

    $5.50 shipping
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    ARRIS Surfboard (16x4) DOCSIS 3.0 Cable Modem. Approved for Xfinity Comcast

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    Refur Motorola MB7420-10 16x4 686 Mbps DOCSIS 3.0 Cable Modem xfinity timewarner

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    ARRIS SB6183 Surfboard Cable Modem DOCSIS 3.0 686Mbps 16x4 Modem Channels White

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    NETGEAR CM500 High Speed Cable Modem 680 Mbps (16x4) Docsis 3.0 Black NIB 1AZNAS

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    Motorola MB742010 686mbps DOCSIS 3.0 Cable Modem

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