Below you will find the Optimum approved modems list. There are several 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.
Jump to the full Optimum approved modem list
Last Updated: September 1, 2025
Recommended Optimum Approved Modems for September 2025
Best DOCSIS 3.1 Modem
| Model # | ARRIS S33 |
| DOCSIS | 3.1 |
| Color | White |
| WiFi Router | No |
| VoIP Telephone Adapter | No |
Best WiFi Modem
| Model # | NETGEAR CAX80 |
| DOCSIS | 3.1 |
| Color | Black |
| WiFi Router | Yes (WiFi 6) |
| VoIP Telephone Adapter | No |
Full Optimum Approved Modem List
♦ Indicates an Intel Puma Chipset Defect – Do Not Buy
Note: ✅ means Yes, ❌ means No
| Brand | Model # | Channels | VoIP | WiFi |
|---|---|---|---|---|
| ARRIS | G18 | DOCSIS 3.1 | ❌ | ✅ |
| ARRIS | G20 | DOCSIS 3.1 | ❌ | ✅ |
| ARRIS | G34 ♦ | DOCSIS 3.1 | ❌ | ✅ |
| ARRIS | G36 ♦ | DOCSIS 3.1 | ❌ | ✅ |
| ARRIS | G54 ♦ | DOCSIS 3.1 | ❌ | ✅ |
| ARRIS | S33 | DOCSIS 3.1 | ❌ | ❌ |
| ARRIS | S34 | DOCSIS 3.1 | ❌ | ❌ |
| ARRIS | CM8200A | DOCSIS 3.1 | ❌ | ❌ |
| ARRIS | SB8200 | DOCSIS 3.1 | ❌ | ❌ |
| ARRIS | SBG8300 ♦ | DOCSIS 3.1 | ❌ | ✅ |
| ARRIS | TM3402 ♦ | DOCSIS 3.1 | ✅ | ❌ |
| Hitron | CODA ♦ | DOCSIS 3.1 | ❌ | ❌ |
| Hitron | CODA56 | DOCSIS 3.1 | ❌ | ❌ |
| HUMAX | HGD310 | DOCSIS 3.1 | ❌ | ❌ |
| Motorola | B12 | DOCSIS 3.1 | ❌ | ❌ |
| Motorola | MB8600 | DOCSIS 3.1 | ❌ | ❌ |
| Motorola | MB8611 | DOCSIS 3.1 | ❌ | ❌ |
| Motorola | MG8702 | DOCSIS 3.1 | ❌ | ✅ |
| Motorola | MG8725 | DOCSIS 3.1 | ❌ | ✅ |
| NETGEAR | C7800 | DOCSIS 3.1 | ❌ | ✅ |
| NETGEAR | CM1000 | DOCSIS 3.1 | ❌ | ❌ |
| NETGEAR | CM1000v2 | DOCSIS 3.1 | ❌ | ❌ |
| NETGEAR | CM1100 | DOCSIS 3.1 | ❌ | ❌ |
| NETGEAR | CM1200 | DOCSIS 3.1 | ❌ | ❌ |
| NETGEAR | CM2000 | DOCSIS 3.1 | ❌ | ❌ |
| NETGEAR | CM2500 | DOCSIS 3.1 | ❌ | ❌ |
| NETGEAR | CM3000 | DOCSIS 3.1 | ❌ | ❌ |
| NETGEAR | CAX30S | DOCSIS 3.1 | ❌ | ✅ |
| NETGEAR | CAX80 | DOCSIS 3.1 | ❌ | ✅ |
| NETGEAR | CBR750 ♦ | DOCSIS 3.1 | ❌ | ✅ |
| Technicolor | CVA4004 | DOCSIS 3.1 | ❌ | ❌ |
Channels: first # refers to downstream channels, second # refers to upstream channels (e.g. 16×4, means 16 downstream channels and 4 upstream channels)
DOCSIS 3.1 offers the fastest speeds
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 Approved Modems Added in September 2022
ARRIS T25
ARRIS TM804 (removed)
ARRIS TM822 (removed)
Optimum Approved Modems Removed in January 2023
ARRIS T25
Optimum Approved Modems Removed in June 2025
ARRIS TM1602G
Optimum Approved Modems Removed in August 2025
ARRIS SB6141 (removed)
ARRIS SB6180 (removed)
ARRIS SB6182 (removed)
ARRIS SB6183 (removed)
ARRIS SB6190 (removed)
ARRIS SBG10 (removed)
ARRIS SBG6400 (removed)
ARRIS SBG6580 (removed)
ARRIS SBG6700-AC (removed)
ARRIS SBG6782-AC (removed)
ARRIS SBG6900-AC (removed)
ARRIS SBG6950AC2 (removed)
ARRIS SBG7400AC2 (removed)
ARRIS SBG7580-AC (removed)
ARRIS SBG7600AC2 (removed)
ASUS CM-16 (removed)
ASUS CM-32 (removed)
Hitron-Zyxel CDA-30360 (removed)
Linksys CG7500 (removed)
Linksys CM3008 (removed)
Linksys CM3016 (removed)
Linksys CM3024 (removed)
Motorola MB7220 (removed)
Motorola MB7420 (removed)
Motorola MB7621 (removed)
Motorola MG7310 (removed)
Motorola MG7315 (removed)
Motorola MG7540 (removed)
Motorola MG7550 (removed)
Motorola MG7700 (removed)
NETGEAR C3000-100NAS (removed)
NETGEAR C3000v2 (removed)
NETGEAR C3700-100NAS (removed)
NETGEAR C3700v2 (removed)
NETGEAR C6220 (removed)
NETGEAR C6230 (removed)
NETGEAR C6250 (removed)
NETGEAR C6300 (removed)
NETGEAR C6300v2 (removed)
NETGEAR C6300BD (removed)
NETGEAR C6900 (removed)
NETGEAR C7000 (removed)
NETGEAR C7000v2 (removed)
NETGEAR C7500 (removed)
NETGEAR CG3000D (removed)
NETGEAR CG3000Dv2 N450 (removed)
NETGEAR CG4500BD (removed)
NETGEAR CM400 (removed)
NETGEAR CM500 (removed)
NETGEAR CM600 (removed)
NETGEAR CM700 (removed)
NETGEAR CBR40 (removed)
TP-Link ARCHER CR500 (removed)
TP-Link ARCHER CR700 (removed)
TP-Link CR1900 (removed)
TP-Link TC-7610 (removed)
TP-Link TC-7620 (removed)
TP-Link TC7650 (removed)
TP-Link TC-W7960 (removed)
Optimum Company Information
Optimum Phone Support: 1-866-200-7273
Optimum Regional Phone Support
Optimum (Altice) serves the following areas: Connecticut, New York (Long Island, Bronx, Brooklyn, Westchester), and New Jersey.