Motorola SURFboard SB6121 Cable Modem

Motorola SURFboard cable modem Model SB6121 Product specs: https://www.amazon.com/gp/product/B004XC6GJ0/ref=ox_sc_act_title_1?smid=A2B61LQS42D3G5&psc=1 Supports speeds up to 172 Mbps. Works with Comcast/Xfinity (as of July 2022) Pre-owned. Comes with modem, power adapter (no box, no paperwork) Worked great for me, but I upgraded to a higher speed and had to buy a new modem. GUC - OOS/LOMS/XP List Price - OBO If it's listed, it's available! Make sure to check out my profile for more items for sale!