A category list of the top supported modems for internet services appears below for the several Charter Spectrum approved modems. You will find the best approved modems based on value and WiFi in the sections below.
Read the Cable Modem Buying Guide to help you choose a modem. Do not forget to purchase your modem accessories.
Internet providers have begun removing some DOCSIS 3.0 modems from their networks. To maximize the years of use from a modem, it is strongly recommended to purchase a DOCSIS 3.1 device (the latest standard).
Note: ApprovedModemList.com may receive a small commission from affiliate links, which helps to keep this website online.
Jump to the full Charter Spectrum approved modem list
Last Updated: November 1, 2024
Recommended Charter Spectrum Approved Modems for November 2024
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 Charter Spectrum Approved Modem List
The Modems Listed Below Are All DOCSIS 3.0 Modems Unless Indicated as a DOCSIS 3.1 Modem
♦ Indicates an Intel Puma Chipset Defect – Do Not Buy
Note: ✅ means Yes, ❌ means No
Recommended for Charter Spectrum Internet tiers up to 1G
| 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 | S33 | DOCSIS 3.1 | ❌ | ❌ |
| ARRIS | S34 | DOCSIS 3.1 | ❌ | ❌ |
| ARRIS | SB8200 | DOCSIS 3.1 | ❌ | ❌ |
| ARRIS | SBG8300 ♦ | DOCSIS 3.1 | ❌ | ✅ |
| ASUS | CMAX6000 | 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 | 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 | ❌ | ✅ |
| Ubiquiti | UCI | DOCSIS 3.1 | ❌ | ❌ |
Recommended for Charter Spectrum Internet tiers up to 500 Mbps
| Brand | Model # | Channels | VoIP | WiFi |
|---|---|---|---|---|
| ARRIS | SBG7400AC2 ♦ | 24×8 | ❌ | ✅ |
| Linksys | CG7500 ♦ | 24×8 | ❌ | ✅ |
| Motorola | MG7700 | 24×8 | ❌ | ✅ |
| NETGEAR | C6900 | 24×8 | ❌ | ✅ |
| NETGEAR | C7000 | 24×8 | ❌ | ✅ |
| NETGEAR | C7500 | 24×8 | ❌ | ✅ |
| NETGEAR | CM600 | 24×8 | ❌ | ❌ |
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
Approved Modems Added in January 2018
ARRIS SBG6400
ARRIS SBG6580-2
ARRIS SBG6700-AC
ARRIS SBG6900-AC
D-Link DCM-301
Linksys CM3024
Motorola MB7220
Motorola MB7420
Motorola MG7310
Motorola MG7315
Motorola MG7540
Motorola MG7550
NETGEAR C6250
NETGEAR C6300
NETGEAR C7000-100NAS
NETGEAR CMD31T
NETGEAR CG3000D (removed)
NETGEAR 450 (CG3000Dv2)
SMC Networks D3GN-RES (removed)
TP-Link ARCHER CR500
TP-Link ARCHER CR700
TP-LINK TC-W7960
ZOOM 5341J
ZOOM 5350
ZOOM 5352
ZOOM 5354
ZOOM 5360
ZOOM 5363
Zoom 5370
Zyxel/Hitron CDA-30360
Approved Modems Added in February 2018
ARRIS SBG7580-AC
Approved Modems Added in October 2018
NETGEAR CG3000D
NETGEAR C6900
NETGEAR CM700
Zoom 5370 (removed)
Approved Modems Removed in December 2018
NETGEAR C6300 (removed)
Approved Modems Removed in January 2019
NETGEAR N450 (CG3000Dv2) (removed)
Approved Modems Added in April 2019
Motorola MB7621
Approved Modems Added in November 2019
Motorola MB8600
Motorola MG7700
NETGEAR CM1000v2
Approved Modems Added in December 2019
Linksys CG7500
Linksys CM3016
Approved Modems Added in February 2020
ARRIS SBG6950AC2
ARRIS SBG7400AC2
TP-Link CR1900
NETGEAR CAX80
Approved Modems Added in March 2020
NETGEAR C6220
NETGEAR C6300
NETGEAR C7000v2
NETGEAR CM1000
NETGEAR CM1100
NETGEAR CM1200
Approved Modems Added in April 2020
ARRIS SB8200
NETGEAR CM1100 (for 1G service)
ARRIS SB8200 (removed)
Approved Modems Added in May 2020
ARRIS SBG10
ARRIS SBG7600AC2
ARRIS SBG8300
NETGEAR CBK40
Approved Modems Added in July 2020
ARRIS SB8200
NETGEAR C6300v2
NETGEAR C7500
NETGEAR CM2000
NETGEAR CBR40
Approved Modems Added in August 2020
NETGEAR CBR750
Approved Modems Added in September 2020
ARRIS S33
Approved Modems Added in October 2020
ASUS CMAX6000
NETGEAR C7800
NETGEAR CG3000Dv2 N450
Approved Modems Added in December 2020
NETGEAR CAX30
Approved Modems Added in January 2021
NETGEAR C6230
Approved Modems Added in February 2021
Motorola MG8702
Approved Modems Added in April 2021
HUMAX HGD310
Approved Modems Added in August 2021
ARRIS G34
ARRIS G36
Approved Modems Added in September 2021
Hitron CODA D3.1
Approved Modems Added in January 2022
Motorola MG8725
Approved Modems Added in May 2022
NETGEAR CM2500
NETGEAR CM3000
Approved Modems Added in August 2022
ARRIS S33v2
Approved Modems Added in September 2022
ARRIS SB8200v2
Charter Spectrum Approved Modems Added in January 2023
Hitron CODA56
Charter Spectrum Approved Modems Added in March 2023
Motorola B12
Charter Spectrum Approved Modems Removed in April 2023
Linksys CM3024
Motorola MB7621
NETGEAR C7000-100NAS
Charter Spectrum Approved Modems Added in May 2023
ARRIS SB8200v3
Charter Spectrum Approved Modems Added in August 2023
ARRIS G54
Charter Spectrum Approved Modems Removed in September 2023
ARRIS SB6183
ARRIS SBG10
ARRIS SBG6900-AC
ARRIS SBG6950AC2
ASUS CM-16
Linksys CM3016
Motorola MB7420
NETGEAR C6230
NETGEAR C6300
NETGEAR C6300v2
NETGEAR CM500
TP-Link ARCHER CR500
TP-Link ARCHER CR700
TP-Link CR1900
TP-Link TC-7620
Motorola MG7540
Motorola MG7550
NETGEAR C6250
SMC Networks D3CM1604
ARRIS SB6141
ARRIS SBG6400
ARRIS SBG6580
ARRIS SBG6580-2
ARRIS SBG6700-AC
D-Link DCM-301
Linksys CM3008
Motorola MB7220
Motorola MG7310
Motorola MG7315
NETGEAR C3000-100NAS
NETGEAR C3700v2
NETGEAR C6220
NETGEAR CG3000D
NETGEAR CG3000Dv2 N450
NETGEAR CM400
NETGEAR CMD31T
TP-Link TC-7610
TP-Link TC-W7960
Zoom 5341J
Zoom 5345
Zoom 5350
Zoom 5352
Zoom 5354
Zoom 5360
Zoom 5363
Zyxel CDA-30360
ARRIS SB6120
ARRIS SB6121
Charter Spectrum Approved Modems Added in October 2023
Ubiquiti UCI v1.06
Charter Spectrum Approved Modems Removed in February 2024
ARRIS SB6190
ARRIS SBG7580-AC
ARRIS SBG7600AC2
ASUS CM-32
NETGEAR CM700
NETGEAR CBK40
NETGEAR CBR40
Charter Spectrum Approved Modems Removed in June 2024
ARRIS G54
NETGEAR CM3000
Charter Spectrum Approved Modems Removed in August 2024
ARRIS G18
ARRIS G20
ARRIS S34
Charter Spectrum Approved Modems Added in September 2024
NETGEAR CM3000
Charter Spectrum Company Information
Charter Spectrum Phone Support: 1-833-267-6094
Charter Spectrum Contact (Chat)
Charter Spectrum serves 41 states.