Looking at the Mediacom approved modems, only one is a recommended buy (a DOCSIS 3.1 modem as well for future-proofing), the NETGEAR CM1000 (or the ARRIS SB8200 if you prefer a certain brand).
Read the Cable Modem Buying Guide to help you choose a modem.
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Click here to jump to the full Mediacom approved modem list.
Last Updated: February 1, 2019
Mediacom Approved Modems for February 2019
Best DOCSIS 3.1 Modem

Model # | NETGEAR CM1000 |
Download Speed | 6 Gbps |
Channel Bonding | 32 Download & 8 Upload |
DOCSIS | 3.1 |
Color | Black |
WiFi Router | No |
VoIP Telephone Adapter | No |
Compatible ISP | Atlantic Broadband, Cable ONE, Comcast XFINITY, Cox, Grande, Mediacom, Midco, RCN, Wave, WOW! |
Best Modem Value

Model # | ARRIS SURFboard SB6183 |
Download Speed | 686 Mbps |
Channel Bonding | 16 Download & 4 Upload |
DOCSIS | 3.0 |
Color | White or Black |
WiFi Router | No |
VoIP Telephone Adapter | No |
Compatible ISP | Armstrong, Atlantic Broadband, Blue Ridge, Cable ONE, Charter Spectrum, Comcast XFINITY, Cox, Grande, Mediacom, RCN, Suddenlink, Wave, WOW! |
Full Mediacom 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 | Max Speed | VoIP | WiFi |
---|---|---|---|---|---|
ARRIS | SB6121 | 4×4 | 172 Mbps | ❌ | ❌ |
ARRIS | SB6141 | 8×4 | 343 Mbps | ❌ | ❌ |
ARRIS | SB6183 | 16×4 | 686 Mbps | ❌ | ❌ |
ARRIS | SB6190 ♦ | 32×8 | 1.4 Gbps | ❌ | ❌ |
ARRIS | SB8200* | 32×8 | 10 Gbps | ❌ | ❌ |
Motorola | MB7220 | 8×4 | 343 Mbps | ❌ | ❌ |
Motorola | MB7420 | 16×4 | 686 Mbps | ❌ | ❌ |
Motorola | MB8600* | 32×8 | 3.8 Gbps | ❌ | ❌ |
NETGEAR | CM1000* | 32×8 | 6 Gbps | ❌ | ❌ |
NETGEAR | CM1100* | 32×8 | 2 Gbps | ❌ | ❌ |
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
Max Speed: refers to the theoretical maximum download speed
VoIP: indicates if the modem has telephone capability
WiFi: indicates if the modem has WiFi capability
Mediacom Approved Modems Added in November 2018
ARRIS SB6121
ARRIS SB6141
ARRIS SB6183
ARRIS SB6190
Motorola MB7220
Motorola MB7420
Motorola MB8600
NETGEAR CM1100
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