Optimum Approved Modems

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

Best DOCSIS 3.1 Modem

ARRIS S33 DOCSIS 3.1 Optimum Approved Modems
ARRIS S33 Cable Modem
Model #ARRIS S33
DOCSIS3.1
ColorWhite
WiFi RouterNo
VoIP Telephone AdapterNo

Best WiFi Modem

NETGEAR Nighthawk AX6000 CAX80 WiFi 6 Router DOCSIS 3.1 Optimum Approved Modems
NETGEAR AX6000 CAX80 WiFi 6 Router DOCSIS 3.1 Cable Modem
Model #NETGEAR CAX80
DOCSIS3.1
ColorBlack
WiFi RouterYes (WiFi 6)
VoIP Telephone AdapterNo

Full Optimum Approved Modem List

♦ Indicates an Intel Puma Chipset Defect – Do Not Buy

Note: ✅ means Yes, ❌ means No

BrandModel #ChannelsVoIPWiFi
ARRISG18DOCSIS 3.1
ARRISG20DOCSIS 3.1
ARRISG34DOCSIS 3.1
ARRISG36DOCSIS 3.1
ARRISG54DOCSIS 3.1
ARRISS33DOCSIS 3.1
ARRISS34DOCSIS 3.1
ARRISCM8200ADOCSIS 3.1
ARRISSB8200DOCSIS 3.1
ARRISSBG8300DOCSIS 3.1
ARRISTM3402 ♦DOCSIS 3.1
HitronCODA ♦DOCSIS 3.1
HitronCODA56DOCSIS 3.1
HUMAXHGD310DOCSIS 3.1
MotorolaB12DOCSIS 3.1
MotorolaMB8600DOCSIS 3.1
MotorolaMB8611DOCSIS 3.1
MotorolaMG8702DOCSIS 3.1
MotorolaMG8725DOCSIS 3.1
NETGEARC7800DOCSIS 3.1
NETGEARCM1000DOCSIS 3.1
NETGEARCM1000v2DOCSIS 3.1
NETGEARCM1100DOCSIS 3.1
NETGEARCM1200DOCSIS 3.1
NETGEARCM2000DOCSIS 3.1
NETGEARCM2500DOCSIS 3.1
NETGEARCM3000DOCSIS 3.1
NETGEARCAX30SDOCSIS 3.1
NETGEARCAX80DOCSIS 3.1
NETGEARCBR750DOCSIS 3.1
TechnicolorCVA4004DOCSIS 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)

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Optimum (Altice) serves the following areas: Connecticut, New York (Long Island, Bronx, Brooklyn, Westchester), and New Jersey.

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