Motorola Arris SURFboard SBG6580 - 3-in-1 device: DOCSIS 3.0 cable modem + dual-band 802.11n Wi-Fi router + 4-port Gigabit Ethernet router. Tested - powers on, all LEDs come up, ports function.

One of the most widely deployed DOCSIS 3.0 modem/router combos of the 2010s - Comcast, Charter, Time Warner, and Cox all retailed it as a 'bring your own modem' option. ARRIS acquired Motorola's Home Networks division in 2013 and kept the SURFboard line going under the dual Motorola/ARRIS branding seen here. CEA Tech Home Mark of Excellence 2010 and 2011.

Included: SBG6580 modem/router, original Motorola 12V power adapter, original retail box. No Ethernet cable.

Specs:
- DOCSIS 3.0 (8x4 channel bonding) - backwards compatible with DOCSIS 2.0
- 802.11n dual-band (2.4 / 5 GHz selectable, N300)
- 4x 10/100/1000 Gigabit Ethernet LAN ports
- WPA/WPA2, WPS push-button setup, Stateful Packet Inspection firewall
- F-type coax WAN connector

Highlights:
- TESTED - powers on, all LEDs come up, ports function
- Complete with original box and PSU (often missing on used units)
- Light cosmetic wear from always-on home use - no cracks, no missing labels
- Good for small office gateway, lab use, guest house Wi-Fi, AP-only redeploy

Thanks for looking!