Below you will find the Optimum approved modems list. There are a few options for one to purchase their own modem for Optimum’s internet service.
Read the Cable Modem Buying Guide to help you choose a modem. Do not forget to purchase your modem accessories.
Note: ApprovedModemList.com may receive a small commission from affiliate links, which helps to keep this website online. To maximize the years of use from a modem, it is strongly recommended to purchase a DOCSIS 3.1 device (the latest standard).
Click here to jump to the full Optimum approved modem list.
Last Updated: April 1, 2021
Recommended Optimum Approved Modems for April 2021
Best WiFi Modem
| Model # | NETGEAR CAX80 |
| Download Speed | 10 Gbps |
| Channel Bonding | 32 Download & 8 Upload |
| DOCSIS | 3.1 |
| Color | Black |
| WiFi Router | Yes (WiFi 6) |
| VoIP Telephone Adapter | No |
Best Modem Value
| Model # | NETGEAR CM500 |
| Download Speed | 680 Mbps |
| Channel Bonding | 16 Download & 4 Upload |
| DOCSIS | 3.0 |
| Color | Black |
| WiFi Router | No |
| VoIP Telephone Adapter | No |
Full Optimum Approved Modem List
The Modems Listed Below Are All DOCSIS 3.0 Modems
* Indicates a DOCSIS 3.1 Modem
♦ Indicates an Intel Puma Chipset Defect – Do Not Buy
Note: ✅ means Yes, ❌ means No
| Brand | Model # | Channels | VoIP | WiFi |
|---|---|---|---|---|
| ARRIS | TM804 | 8×4 | ✅ | ❌ |
| ARRIS | TM822 | 8×4 | ✅ | ❌ |
| ARRIS | TM1602 ♦ | 24×8 | ✅ | ❌ |
| NETGEAR | CM500 | 16×4 | ❌ | ❌ |
| NETGEAR | CM600 | 24×8 | ❌ | ❌ |
| NETGEAR | CM1000* | 32×8 | ❌ | ❌ |
| NETGEAR | CM1100* | 32×8 | ❌ | ❌ |
| NETGEAR | CM1200* | 32×8 | ❌ | ❌ |
| NETGEAR | CM2000* | 32×8 | ❌ | ❌ |
| NETGEAR | CAX80* | 32×8 | ❌ | ✅ |
Channels: first # refers to downstream channels, second # refers to upstream channels (e.g. 16×4, means 16 downstream channels and 4 upstream channels)
The more channels, the faster the speed
VoIP: indicates if the modem has telephone capability
WiFi: indicates if the modem has WiFi capability
Optimum Approved Modems Added in August 2017
Arris TG1672G
Optimum Approved Modems Removed in April 2019
ARRIS TG1672G
Cisco DPQ3212
Motorola SBV6220
Optimum Company Information
Optimum Phone Support: 1-866-200-7273
Optimum Regional Phone Support
Optimum serves the following areas: Connecticut, New York (Long Island, Bronx, Brooklyn, Westchester), and New Jersey.