The LINKSYS CM3008 Docsis 3.0 cable modem works with all major cable providers such as Comcast Xfinity and Time Warner, helping save on monthly rental fees. It supports 8 download & 4 upload channels for efficient & reliable Internet access and delivers up to 340 Mbps1 download and upload speed for smooth HD video streaming, fast downloads, and lag-free online gaming.
The versatile cable modem can also work with various wired or wireless routers. You can experience optimal Wi-Fi speeds from your existing ISP plans – up to 100 Mbps2. Plus, the compact device allows for easy plug-and-play setup.
Multiple channels support speeds of up to 343Mbps.1
Transfer data 10x faster than Fast Ethernet, ensuring high-speed connectivity for wired devices.
Installation is fast and easy. No CD required.
It works with any wired or wireless router.
Maximize Internet speeds to your Wi-Fi router with the Linksys 8x4 Cable Modem (CM3008). It delivers stable high-speed connectivity for existing Internet service plans up to 100 Mbps2 Your household will enjoy awesome Wi-Fi in no time with its easy setup. Please note cable customers with Internet speeds of up to 300 Mbps2 should use the Linksys CM3024 Cable Modem.
Owning your own modem allows you to eliminate rental fees from your service provider. The Linksys CM3008 Cable Modem is certified to work with Internet service plans from major cable providers, including Comcast Xfinity, Time Warner, Cox, and Charter - providing savings up to $120 a year on modem rental fees.
Maximize the data transfer speeds of your current Internet service plan with eight download and four upload bonded channels on the CM3008 modem. These multiple bonded channels enable you to optimize media streaming and file transfers using the CM3008 by simultaneously transferring large amounts of data over many channels. The result is more effective and efficient usage of your existing cable broadband connection.
Additionally, the CM3008 has a slim, compact design that allows you to place the cable modem with your router and maintain a clutter-free surface area
Certified for DOCSIS 3.0 cable Internet standard, this powerful modem can handle high-bandwidth transfer rates over existing cable lines with speeds of up to 343 Mbps.1
To achieve high-speed downstream and upstream performance, the Linksys CM3008 Cable Modem features an Intel Puma 5 chipset. Designed to be a flexible and high-performing solution, the Puma 5 chipset will facilitate cutting-edge data service offerings as technology continues to advance.
To use the Linksys CM3008 Cable Modem, simply follow this three-step process:
Plug modem into a power source.
Use the coaxial cable to plug modem into wall jack.
Connect Ethernet cable from modem to Wi-Fi router.
Note:
- 343 Mbps based on DOCSIS 3.0 throughput. Maximum speed varies depending on the service provided by the cable operator. IPv6 availability is dependent upon your ISP or service provider providing IPv6 capability.
- 100/300 Mbps represent the maximum throughput you can achieve with your Internet plan provided by your cable service provider. Actual throughput will be lower than 100/300 Mbps, as this throughput is dependent on your contract with your cable service provider.


































