Top 10 Surfboard Modem SB6121 – Computer Networking Modems

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1. ARRIS

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ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black

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ARRIS #ad - 4 download and 4 Upload Channels. Not compatible with verizon FiOS or AT&T U-verse, no longer approved by Comcast Xfinity. Requires cable iternet service, if not sure your provider is CABLE call them to confirm.

Internet speeds based on your cable providers service - up to 172 Mbps download and 131 Mbps upload. Brown box models not valid for this item when sold as New, should report to Amazon immediately and RETURN to Seller. Gigabit ethernet port to connect to computer or Router for fast downloads. Compatible with time Warner Cable, Cablevision, Charter, Cox, and more. Wired modem only, does not include wifi router or VOIP Telephone adapter.
BrandARRIS #ad
ManufacturerMotorola #ad
Height8.7 Inches
Length2 Inches
Weight0.45 Pounds
Width6.4 Inches
Part NumberSB6121
ModelSB6121
Warranty1 year

2. Motorola

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Arris/Motorola SB6121 DOCSIS 3.0 Cable Modem in Non-Retail Packaging Brown Box

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Motorola #ad - Requires cable internet service. Contact your ISP to confirm compatibility. Consult the dealer or an experienced radio/TV technician for help. Supports ipv4 and ipv6 networking, as well as Windows, Mac, and Linux computers.

Increase the separation between the device and receiver. Tips* reorient or relocate the receiving antenna. 10/100/1000mbps ethernet port to connect with router or computer. Front-panel LEDs indicate status and simplify troubleshooting. Compatible with major U. S. Docsis 3. 0 certified, capable of up to 172 mbps and upload speeds up to 131 Mbps based on Cable Internet Service Provider. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Cable Providers.
BrandMotorola #ad
ManufacturerMotorola #ad
Height6 Inches
Length6 Inches
Weight1 Pounds
Width2 Inches
Part Number575319-019-RB
ModelP-10-23476

3. ARRIS

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ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Spectrum, Approved for Cox, Xfinity & others Black

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ARRIS #ad - Does not inlcude Wi-Fi and does not support cable digital voice service. Not compatible with att, Verizon, CenturyLink or other DSL or Fiber internet providers.

Compatible with major U. S. Cable internet providers including Cox, Spectrum, CenturyLink or other DSL or Fiber internet providers. 1 gigabit ethernet port for connecting to a Wi-Fi router or other device. 32 downstream x 8 upstream DOCSIS 3. 0 bonded channels. Docsis 3. 0 cable modem best for cable internet speed plans up to 600 Mbps. Cable internet providers including cox, xfinity & others. Not compatible with att, Verizon, Spectrum, Xfinity & others. Compatible with major u. S. Cable internet service required.
BrandARRIS #ad
ManufacturerARRIS Solutions, Inc. #ad
Height6.11 Inches
Length7.15 Inches
Weight1 Pounds
Width4.5 Inches
Part NumberSB6190
ModelSB6190
Warranty2 Year Limited Warranty

4. Motorola

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Motorola Surfboard SB6121 Cable Modem

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Motorola #ad - The product ships with all relevant accessories, inspection, and may arrive in a generic box. This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, and repackaging.
BrandMotorola #ad
ManufacturerMotorola, Inc #ad
Height6 Inches
Length2 Inches
Weight1.35 Pounds
Width6 Inches
Part Number575319-019-00
Model575319-019-00

5. ARRIS

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Model SB6121, Motorola / Arris SURFboard Cable Modem 200 Series

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ARRIS #ad - Requires cable internet service, if not sure your provider is CABLE call them to confirm. Good for streaming Video and gaming on multiple devices at a time. Supports ipv4 and ipv6 networking, as well as Windows, Mac, and Linux computers.10/100/1000mbps ethernet port to connect with router or computer. Docsis 3. 0 certified, capable of up to 172 mbps and upload speeds up to 131 Mbps based on Cable Internet Service Provider.
BrandARRIS #ad
ManufacturerMotorola #ad
Height2.4 Inches
Length6.7 Inches
Weight1.34 Pounds
Width5.9 Inches
Part NumberSb6121

6. Generic

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The Best SB6121 DOCSIS 3.0 CABLE MODEM

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Generic #ad - Offers premium quality at outstanding saving. Excellent product. More for the money with this high quality Product. 100% satisfaction.
BrandGeneric #ad
ManufacturerGENERAL INSTRUMENT CORP DBA MO #ad
Part Number3160816

7. ARRIS

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Approved for Cox, Spectrum, ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Xfinity & others White

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ARRIS #ad - Cable internet providers including Cox, Verizon, CenturyLink or other DSL or Fiber internet providers. Compatible with major u. S. Docsis 3.

0 cable modem best for cable internet speed plans up to 600 Mbps. 1 gigabit ethernet port for connecting to a Wi-Fi router or other device. Cable internet providers including cox, xfinity & others. Not compatible with att, Spectrum, Spectrum, Verizon, Xfinity & others. Cable internet service required. Does not inlcude Wi-Fi and does not support cable digital voice service. 32 downstream x 8 upstream DOCSIS 3. 0 bonded channels. Not compatible with atT, CenturyLink or other DSL or Fiber internet providers. Compatible with major U. S.
BrandARRIS #ad
ManufacturerARRIS Solutions, Inc. #ad
Height8.7 Inches
Length6.4 Inches
Weight1.12 Pounds
Width2 Inches
Part NumberSB6190
ModelSB6190 White
Warranty2 year limited

8. T-Power

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T-Power 12v AC DC Adapter Compatible with Comcast Xfinity Motorola Surfboard SBG6700AC SBG6580 SB6120 SB6121 SB6141 SB6180 Sbg6580, SB6183 SBG6782 SBG6782-AC SBG901 900 Cable Modem dta-100

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T-Power #ad - Belkin wireless router n150 n300 n450 n600 n750; netgear n150 n600 n300;, dct-700, mt-20-21120-a04f,,, sb6120, sb5101, sbg901, sb6183 sbg6782 sbg6782-ac, sb6180, 503913-007, 2+ wireless-n modem gateway - black, sbg6580, sbg901, sb6121, sb5101u, 900 cable modem Dta-100, sb6141, netgear n150 n600 n300, sb5120, motorola 579765-003 2247-n8 adsl 2, sb5101u, sb5100, U.

S. Robotics usr3453c usr5686g ; sb5101u 567005-005-00 surfboard Cable Modem USB and Ethernet ;. T-power - manufactured with brand-new Input Voltage Range: AC 100V - 240V 12V. Compatible models: motorola arris surfboard sb6190 sb6183 sb5100, 011 mr150cnm docsis, sb6120 sb6121 sb6141 sb6180 sbg901 900 cable modem dta-100,,, comcast xfinity motorola surfboard arris surfboard sbg6700ac sbg6700-ac sbg6580 sbg6580-g228 570763-006-00 comcast xfinity 570406-002-00 dcx3200, SBG6580 SBG6580-G228 570763-006-00, 011 comcast mr150cnm, g no:588173-003-00 dcx3200 c385, arris f, a285, DCT-700 PN# 503913-007 Model: MT-20-21120-A04F.

Motorola sb6120 cable modem surfboard extreme sbg6580 surfboard wireless cable modem gateway ethernet sbg901 556315-005-00 surfboard gateway docsis 2. 0 wireless cable modem, netgear dgn2000-100nas dgnd3300-100nas dgnd3700 mbr624gu 3g mobile broadband wireless router N150 DGN1000-100NAS Wireless ADSL2 plus Modem Router N600 WNDR3400 WNDR3700-100NAS Dual B.
BrandT-Power #ad
ManufacturerT-POWER #ad
Height1.25 Inches
Length3.25 Inches
Weight0.01 Pounds
Width1.75 Inches
Part NumberTP-ru8-Z6C
ModelTP-ru8-Z6C

9. ARRIS

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Arris 575319-029-RB Arris SB6121  Refurb-Black Ver

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ARRIS #ad - The refurbishing process includes functionality testing, and repackaging. The product ships with all relevant accessories, inspection, basic cleaning, and may arrive in a generic box. This refurbished product is tested and certified to look and work like new.
BrandARRIS #ad
ManufacturerArris #ad
Height9.7 Inches
Length3 Inches
Width7.4 Inches

10. HZPOWEN

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12V AC Adapter Power Supply for Motorola Surfboard SB6141 SB6121 SB6120 SBG6580 SBG6580-2 Netgear/Belkin N150 N300 N450 N600 N750 Comcast Xfinity Linksys Velop TP-Link ARRIS Wireless Router Power Cord

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HZPOWEN #ad - Robotics usr3453c usr5686g ; sb5101u 567005-005-00 surFboard Cable Modem USB and Ethernet;. Hzpowen products are ce / fcc / rohs certified, tested by the manufacturer to match and / or exceed the OEM specifications. Motorola sb6120 cable modem surfboard extreme sbg6580 surfboard wireless cable modem gateway ethernet sbg901 556315-005-00 surfboard gateway docsis 2.

0 wireless cable modem / netgear dgn2000-100nas dgnd3300-100nas dgnd3700 mbr624gu 3g mobile broadband wireless router N150 DGN1000-100NAS Wireless ADSL2 plus Modem Router N600 WNDR3400 WNDR3700-100NAS Dual B. Belkin wireless router n150 n300 n450 n600 n750; netgear n150 n600 n300; // motorola 579765-003 2247-n8 adsl 2/2+ wireless-n modem gateway - black // sb5100, sb6180, sb5101u, sb5101u, sbg6580, 503913-007, sbg6782 sbg6782-ac, sb5120, sb6141, dct-700, sbg901, sb6120, 900 cable modem dta-100, sb5101, sb6121, sbg901, mt-20-21120-a04f / netgear N150 N600 N300 / U.

S. Warranty: 30 days refund - 24 Months Exchange. Compatibility: comcast xfinity motorola surfboard arris surfboard sbg6700ac sbg6700-ac sbg6580 sbg6580-g228 570763-006-00 comcast xfinity 570406-002-00 dcx3200/a285/011 comcast mr150cnm / arris f/g no:588173-003-00 dcx3200 c385/011 mr150cnm docsis // sbg6580 sbg6580-g228 570763-006-00 // sb6120 sb6121 sb6141 sb6180 sbg901 900 Cable Modem dta-100 / DCT-700 PN# 503913-007 Model: MT-20-21120-A04F.
BrandHZPOWEN #ad
ManufacturerHZPOWEN #ad