What does 8×4 mean on modem?
For example, 8×4 modems—that is, modems with eight downstream channels and four upstream channels—support a theoretical maximum of 343Mbps. A 16×4 modem generally tops out at around 680Mbps for downloads.
Is 8×4 modem enough?
An 8×4 modem, for instance, works well with Internet service plans of up to 100 Mbps—a safe bet for the average, well-connected household.
What modem is best with Xfinity?
The Motorola MB7621 earns our pick for best Xfinity-approved modem for most people.
- Best for Most. Motorola MB7621. $89.98*
- Best Low Cost. NETGEAR CM500. $42.94*
- Best for Gig Plans. ARRIS SURFboard SB8200. $148.37*
- Best Modem/Router Combo. NETGEAR Nighthawk C7000. $159.00*
- Best for Xfinity Voice. NETGEAR Nighthawk CM2050V.
Is 16×4 modem enough?
A 16×4 cable modem is way more than you need unless you’re subscribing to your ISP’s fastest plans (300 Mbps or greater)—you’re more likely to see a speed boost going from 1×1 or 4×4 to 8×4; much less so going from 8×4 to 16×4.
Does Comcast need DOCSIS 3.1 modem?
DOCSIS 3.1 is only needed if one subscribes to their gigabit speed tier.
Does buying a new modem increase Internet speed?
Buying a new modem can offer faster, more reliable Wi-Fi. It can also be the answer if you’re experiencing frequent drop-outs. But it probably won’t speed up your physical internet connection. Slow internet may be caused by other issues too, like the NBN speed tier you’re currently running.
Can I replace Xfinity modem with my own?
You can purchase your own retail modem for use with your Xfinity Internet and/or Voice service, as long as the equipment is certified to work on our network. Before buying from the retailer of your choice, please go to mydeviceinfo.xfinity.com to find certified retail equipment that supports your internet speed tier.
What is 16×4 DOCSIS?
This 16×4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet. Cable modem’s Ethernet port connects to a computer, HDTV, game station, or wireless router.
What do I do with my old Comcast modem?
Find an Xfinity Store or Comcast Service Center location near you and then make an appointment by visiting xfinity.com/stores. Drop off your equipment at any Xfinity Store or Comcast Service Center. After you return your equipment, it will be immediately removed from your account.
What is a 24×8 cable modem?
What is 24×8 Modem? A 24×8 modem has 24 downstream channels and 8 upstream channels, for theoretical speeds of 912 Mbit/s downstream and 216 Mbit/s upstream. The real-world performance of a 24×8 cable modem is around 60% of its rated speed. This means it should be suitable for ultra-fast cable connections.
What modem and router should I buy for Comcast?
More Xfinity compatible modems and routers
Device | Compatibility | Modem, Router, or Combination |
---|---|---|
NETGEAR Cable Modem CM500 | Xfinity, Cox, and Spectrum | Modem |
NETGEAR Nighthawk Cable Modem CM1200 | Xfinity, Cox, and Spectrum | Modem |
Linksys Velop Mesh Router | Any ISP | Router |
TP-Link CR700 | Xfinity, Spectrum, Cablevision | Combination |