Arris CM820A DOCSIS 3.0 Cable Modem Comcast Version with Power Cord
Arris CM820A DOCSIS 3.0 Cable Modem Comcast Version with Power Cord
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Condition: Open box
The Arris CM820A (Comcast Version) DOCSIS 3.0 Cable Modem is a broadband device built to connect your home network to Comcast Xfinity service with dependable speed and stability. As a DOCSIS 3.0 cable modem, it supports up to 24 downstream and 8 upstream channels, allowing it to handle demanding internet activity without bottlenecking your connection. The included power cord means you have everything necessary to get the unit powered on and communicating with your service provider right away.
For households that stream video, play online games, or run multiple connected devices at once, a modem with this level of channel bonding makes a real difference in how consistently your connection performs. Because it's configured specifically as a Comcast Xfinity modem, it's designed to integrate smoothly with Comcast's network without compatibility guesswork. This can help reduce buffering, latency spikes, and the slowdowns that often come with older or underpowered modems, particularly in homes with several people online simultaneously.
This cable modem is a solid choice for Comcast Xfinity subscribers who want a dedicated, higher-capacity device to replace a rented modem or upgrade from an older DOCSIS standard. It suits anyone looking for a straightforward, no-frills DOCSIS 3.0 cable modem that supports everyday internet use, remote work, and media streaming. For Comcast customers seeking reliable performance without unnecessary extras, the Arris CM820A offers a practical, ready-to-connect solution.
📦 Shipping Information
United States Orders: Shipped via Canada Post. Estimated delivery: 4–7 business days (may take up to 10 business days if border delays occur).
Canadian Orders:Orders are shipped via Chit Chats. Estimated delivery is typically 2–6 business days, depending on destination and carrier processing times.
International Orders:Shipped with Chit Chats or Canada Post, depending on service availability. Estimated delivery: 7–15 business days (varies by destination).
Returns & Refunds Policy: We offer a 30-day return window. Items must be gently used, in their original packaging and not have major signs of use/damage
Customs Duties & Import Fees: Orders shipped outside Canada may be subject to import duties, taxes, or customs fees. For U.S. orders, all duties are pre-paid and included—no extra charges at delivery.
Disclaimer: At DaveyDooDeals, our products are sourced from trusted channels, including surplus warehouses, authorized distributors, and carefully selected clearance inventories. While many items are new and unused, some are reclaimed from decommissioned equipment or overstock. Each listing clearly states the item’s condition and any known defects. In the unlikely event that a defect is missed, our 30-day return policy has you covered.
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