Comcast XFINITY Approved Modems

View the numerous Comcast XFINITY approved modems, but it is easier to look at the list below for the top recommended modems. Three categories (value, WiFi, and DOCSIS 3.1) help to sort the many options for Comcast XFINITY internet services.

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 Comcast XFINITY approved modem list.

Last Updated: April 1, 2021

Recommended Comcast XFINITY Approved Modems for April 2021

Best Modem Value

NETGEAR CM500 DOCSIS 3.0 Comcast XFINITY Approved Modems
NETGEAR CM500 Cable Modem
Model #NETGEAR CM500
Download Speed680 Mbps
Channel Bonding16 Download & 4 Upload
DOCSIS3.0
ColorBlack
WiFi RouterNo
VoIP Telephone AdapterNo

Best DOCSIS 3.1 Modem

Motorola MB8600 DOCSIS 3.1 Comcast XFINITY Approved Modems
Motorola MB8600 Cable Modem
Model #Motorola MB8600
Download Speed3.8 Gbps
Channel Bonding32 Download & 8 Upload
DOCSIS3.1
ColorBlack
WiFi RouterNo
VoIP Telephone AdapterNo

Best WiFi Modem

NETGEAR Nighthawk AX6000 CAX80 WiFi 6 Router DOCSIS 3.1 Comcast XFINITY Approved Modems
NETGEAR AX6000 CAX80 WiFi 6 Router DOCSIS 3.1 Cable Modem
Model #NETGEAR CAX80
Download Speed10 Gbps
Channel Bonding32 Download & 8 Upload
DOCSIS3.1
ColorBlack
WiFi RouterYes (WiFi 6)
VoIP Telephone AdapterNo

Full Comcast XFINITY 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

BrandModel #ChannelsVoIPWiFi
ARRISCM820A8×4
ARRISS33*32×8
ARRISSB618316×4
ARRISSB6190 ♦32×8
ARRISSB8200*32×8
ARRISSBG10 ♦16×4
ARRISSBG6700-AC8×4
ARRISSBG6782-AC8×4
ARRISSBG6900-AC16×4
ARRISSBG6950AC2 ♦16×4
ARRISSBG7400AC2 ♦24×8
ARRISSBG7580-AC ♦32×8
ARRISSBG7600AC2 ♦32×8
ARRISSBG8300* ♦32×8
ARRISSBV240224×8
ARRISSBV3202 ♦32×8
ARRISSVG2482AC ♦24×8
ARRIST25* ♦32×8
ARRISTM822G8×4
ARRISTM822R8×4
ASUSCM-1616×4
ASUSCM-32 ♦32×8
ASUSCMAX6000*32×8
Cisco (Belkin/Linksys)DPC30088×4
D-LinkDCM-3018×4
HitronCDA-CCC4×4
HUMAXHGD310*32×8
LinksysCG6350 ♦16×4
LinksysCG7500 ♦24×8
LinksysCM30088×4
LinksysCM3016 ♦16×4
LinksysCM3024 ♦24×8
MotorolaMB72208×4
MotorolaMB742016×4
MotorolaMB762124×8
MotorolaMB8600*32×8
MotorolaMB8611*32×8
MotorolaMG73158×4
MotorolaMG754016×4
MotorolaMG755016×4
MotorolaMG770024×8
MotorolaMG8702*32×8
MotorolaMT7711 24×8
NETGEARC3000-100NAS8×4
NETGEARC3000v28×4
NETGEARC3700-100NAS8×4
NETGEARC3700v28×4
NETGEARC62208×4
NETGEARC623016×4
NETGEARC6250-100NAS16×4
NETGEARC6300-100NAS ♦16×4
NETGEARC6300v2 ♦16×4
NETGEARC690024×8
NETGEARC7000-100NAS24×8
NETGEARC7000v224×8
NETGEARC7100V24×8
NETGEARC750024×8
NETGEARC7800*32×8
NETGEARCM4008×4
NETGEARCM50016×4
NETGEARCM500V16×4
NETGEARCM60024×8
NETGEARCM700 ♦32×8
NETGEARCM1000*32×8
NETGEARCM1000v2*32×8
NETGEARCM1000-1AZNAS*32×8
NETGEARCM1100*32×8
NETGEARCM1150V*32×8
NETGEARCM1200*32×8
NETGEARCM2000*32×8
NETGEARCM2050V*32×8
NETGEARCAX30*32×8
NETGEARCAX80*32×8
NETGEARCBR40 ♦32×8
NETGEARCBR750* ♦32×8
SMC NetworksD3CM160416×4
TP-LinkARCHER CR50016×4
TP-LinkARCHER CR70016×4
TP-LinkCR190024×8
TP-LinkTC-76108×4
TP-LinkTC-762016×4
TP-LinkTC765024×8
TP-LinkTC-W79608×4

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

Approved Modems Added in August 2017
TP-LINK CR1900

Approved Modems Added in September 2017
ARRIS SBG6950AC2
ARRIS SBG7400AC2
NETGEAR C7500
NETGEAR CM500V

Approved Modems Added in November 2017
Linksys CG6350

Approved Modems Added in December 2017
Motorola MB7621

Approved Modems Added in April 2018
Motorola MG7700
NETGEAR CBR40

Approved Modems Added in August 2018
ARRIS SBG10
NETGEAR CM1100

Approved Modems Added in October 2018
ARRIS SBG7600AC2
Motorola MT7711

Approved Modems Added in November 2018
ARRIS SBV3202
NETGEAR C6300v2

Approved Modems Added in December 2018
NETGEAR CM1150V

Comcast XFINITY Approved Modems Removed in January 2019
ARRIS SB6120
ARRIS SB6121
NETGEAR CMD31T-100NAS
Zoom 5341
Zoom 5350
Zoom 5360

Comcast XFINITY Approved Modems Added in February 2019
NETGEAR CM1000v2
NETGEAR CM1200

Comcast XFINITY Approved Modems Added in March 2019
ARRIS SBG8300

Comcast XFINITY Approved Modems Added in April 2019
ARRIS SBV2402

Comcast XFINITY Approved Modems Added in August 2019
ARRIS T25

Comcast XFINITY Approved Modems Added in April 2020
NETGEAR CAX80

Comcast XFINITY Approved Modems Added in July 2020
NETGEAR CM2000

Comcast XFINITY Approved Modems Added in August 2020
NETGEAR CM2050V
NETGEAR CBR750

Comcast XFINITY Approved Modems Added in September 2020
Motorola MG8702
NETGEAR C6230

Comcast XFINITY Approved Modems Added in October 2020
ASUS CMAX6000
HUMAX HGD310

Comcast XFINITY Approved Modems Added in November 2020
ARRIS S33
NETGEAR CAX30
ARRIS TG862G-CT (removed)
ARRIS TG862R (removed)
ARRIS TM722G (removed)
Zoom 5341J (removed)
Zoom 5345 (removed)
Zoom 5352 (removed)
Zoom 5354 (removed)
Zoom 5363 (removed)
Zoom 5370 (removed)

Comcast XFINITY Approved Modems Added in December 2020
ARRIS TG862R
Motorola MB8611

Comcast XFINITY Approved Modems Removed in January 2021
ARRIS SB6141
N450 (CG3000Dv2)

Comcast XFINITY Approved Modems Removed in March 2021
ARRIS SBG6400
ARRIS SBG6580
ARRIS SBG6580-2
ARRIS TG862R
Motorola MG7310

Comcast XFINITY Company Information

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Comcast XFINITY serves the following areas:

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