Get a great, reliable workhorse of a cable modem with this Motorola (ARRIS) SURFboard eXtreme SB6121 DOCSIS 3.
0 model.
Single-owner model in great operating and physical condition (see photos).
Asking $25 for this great SURFboard eXtreme SB6121 cable modem with all original packaging and accessories (includes Ethernet cables and power adapter).
Please email if you have questions.
Model - SB6121
Features
- DOCSIS 3.
0 certified, capable of up to 172 Mbps and upload speeds up to 131 Mbps based on Cable Internet Service Provider.
- Backwards compatible with DOCSIS 2.
0
- Supports IPv4 and IPv6 networking, as well as Windows, Mac, and Linux computers
- 10/100/1000Mbps Ethernet port to connect with router or computer
- No additional software required
- Slim design saves space
In the box
- Motorola SB6121 SURFboard extreme Cable Modem
- Ethernet cable
- Power Adapter
- Quick Install Sheet
Dimensions
- 2 x 6.
4 x 8.
7 inches
- 7.
2 ounces
System Requirements
- Cable Internet Service.
Compatible with major U.
S.
Cable Providers.
Contact your ISP to confirm compatibility.
- Compatible with Windows, Mac, and Linux computers.
Agency Approvals
- CableLabs DOCSIS certified 1.
1, 2.
0, and 3.
0 Certified.
RoHS compliant, FCC approved (Part 15, Class B), UL Listed
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