Comcast Xfinity
Charter Spectrum
Cox Cable
Mediacom
Brighthouse
WOW! Approved Modems
Sparklight (CableOne)
Atlantic Broadband
Suddenlink Modems
Optimum Modems
Midco
Cablevision
Wave Broadband
Newwave
RCN Compatible Modems
Buckeye Cable
Windstream
CenturyLink Modems
AT&T
Verizon
Frontier
Sonic Modems
Qwest Modems
TP-Link Routers
Linksys Routers
ASUS Routers
Cisco Routers
Arris Routers
CISCO DPC3939 XB3 Cable Modem for Xfinity
- Xfinity Compatibility: Designed for use with Xfinity’s internet and voice services.
- High-speed Internet Access: Supports up to 16 downstream and 4 upstream channels.
- Dual-Band Wireless Support: Choose between 2.4GHz or 5GHz for faster wireless speeds.
- VoIP and IPv6 Support: Supports VoIP with two phone ports and IPv6.
- Separate Router Needed: Does not have a built-in router.
Apple Shopping Event
Hurry and get discounts on all Apple devices up to 20%
Sale_coupon_15
0
People watching this product now!
Payment Methods:
Description
Cisco DPC3939 Product Details
Introduction: Cisco DPC3939 XB3 Cable Modem is a high-performance modem that is designed for use with Xfinity’s high-speed Internet and voice services. It provides reliable and fast Internet access, making it a popular choice among Xfinity customers.
Cisco DPC3939 Compatibility
This modem is specifically designed for use with Xfinity’s high-speed Internet and voice services. It provides a seamless connection to Xfinity’s network, allowing for stable and fast Internet speeds. Xfinity customers can enjoy high-speed Internet access without any compatibility issues.
High-speed Internet Access
The Cisco DPC3939 XB3 Cable Modem supports up to 16 downstream and 4 upstream channels, providing higher Internet speeds for data-intensive activities like gaming and streaming. With dual-band wireless capabilities, users can choose between 2.4GHz and 5GHz for faster wireless speeds and reduced interference.
VoIP and IPv6 Support
In addition to high-speed Internet access, the DPC3939 also supports Voice Over IP (VoIP) service with two telephone ports. It is also compatible with IPv6, the next-generation Internet protocol, providing advanced network functionality and improved security.
In conclusion, the Cisco DPC3939 XB3 Cable Modem is a high-performance modem that provides reliable and fast Internet access. Compatible with Xfinity’s high-speed Internet and voice services, this modem offers dual-band wireless, 16×4 channel bonding, VoIP, and IPv6 support. It is a popular choice among Xfinity customers for its seamless connectivity and advanced features.
CISCO DPC3939 XB3 Cable Modem for Xfinity
| Feature | Description |
|---|---|
| Max Download Speed | Up to 340 Mbps |
| Compatible Internet Providers | Xfinity |
| Channel Bonding | 16 downstream and 4 upstream channels |
| DOCSIS Support | DOCSIS 3.0 |
| Ethernet Ports | 4 Gigabit Ethernet ports |
| Wireless Networking | Dual-Band Wi-Fi (2.4GHz and 5GHz) |
| Parental Controls | Parental controls and guest network options |
| LED Lights | Easy-to-read front panel LEDs |
| Power | External power adapter |
| Setup | Easy setup with web-based setup wizard |
DPC3939 Pros:
- High-speed Internet Access: With 16×4 channel bonding and dual-band wireless capabilities, this modem provides fast and stable Internet speeds for data-intensive activities like gaming and streaming.
- VoIP and IPv6 Support: The DPC3939 has two telephone ports for Voice Over IP (VoIP) service and is compatible with IPv6, providing advanced network functionality and improved security.
- Xfinity Compatibility: This modem is specifically designed for use with Xfinity’s high-speed Internet and voice services, providing a seamless connection and eliminating compatibility issues.
DPC3939 Cons:
- Limited Provider Compatibility: While the DPC3939 is designed for use with Xfinity, it may not be compatible with other Internet service providers.
- No Built-in Router: This modem does not have a built-in router, so users may need to purchase a separate router to access its wireless capabilities.
- Potential Signal Interference: The dual-band wireless capabilities of the DPC3939 may result in signal interference, reducing the overall quality of the wireless signal.
What’s Included:
- CISCO DPC3939 Cable Modem
- Ethernet Cable
- Power Supply Cable
- DSL / Phone Cable
- Online Installation Manual
Will this work with my internet company?
This Cisco modem is primarily used and is compatible with Xfinity and other major cable internet providers in most areas. To verify that this model will work in your area, always contact your service provider’s customer service prior to placing your order with us to confirm that this model will work with your service plan. Some service plan speeds may not be supported.
Specification
Overview
| Brand |
Cisco |
|---|
Processor
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
Display
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
RAM
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
Storage
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
Video Card
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
Connectivity
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
Features
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
Battery
| Brand |
Cisco |
|---|---|
| Color |
Black |
| Compatible Providers |
Comcast Xfinity |
| DOCSIS Channels |
16 x 4 |
| DOCSIS Version |
DOCSIS 3.0 |
| Ethernet Ports |
4-Port |
| Interface |
Cable Modem |
| Wired Download Speeds |
343 Mbps |
| Features |
Easy-Installation, For Gaming, For Home, Video Streaming |
General
| Color |
Black |
|---|
Customer Reviews
Related Products
Arris TM822G DOCSIS 3.0 Telephony Cable Modem
In stock
- Compatible with Xfinity by Comcast, Mediacom & Other Major Cable Providers
- Supports Internet Download Speeds up to 343 Mbps
- Telephony Cable Modem Only - Wireless Router Sold Separately
- DOCSIS 3.0 Modem with 8x4 Channel Bonding
- 2 Phone Ports + 1 Ethernet Port + Battery Backup Capability
- NOT COMPATIBLE with Optimum Cable or Time Warner Cable / Spectrum
Motorola SB6120 DOCSIS 3.0 Cable Modem
In stock
$29.49
- DOCSIS 3.0 Cable Modem Only - Wireless Router Sold Separately
- User-friendly Online Remote Management & Diagnostics Panel
- 4x4 Channel Bonding Supports Wired Download Speeds up to 160 Mbps
- Compatible with Comcast Xfinity Services & Sparklight
- 1 Gigabit Ethernet Port + 1 Coaxial F Connector + Power Supply Port
Netgear C7800 Nighthawk DOCSIS 3.1 Cable Modem
In stock
- APPROVED for use with Comcast Xfinity, Cox & Major US Cable Providers
- Supports Wired Internet Download Speeds up to 1 Gbps
- DOCSIS 3.1 Modem and Wireless Router Combo with 32x8 Channel Bonding
- Powerful 1.5GHZ Processor + Antennas Provide Unbeatable Speed and Coverage for Your Network
- AC3200 Dual-Band (2.4GHz & 5GHz) with wireless speeds up to 3.2 Gbps
- NOT COMPATIBLE with Spectrum/Time Warner Cable, Charter or Mediacom