2/12/2024 0 Comments Xfinity internet modemsBut it won’t work with Verizon, AT&T, or CenturyLink internet plans. The SBG8300 is approved to work with Xfinity and Cox internet plans. ARRIS boasts a 4 Gbps wired connection, but you can’t link the four Ethernet ports. The maximum speed you’ll get from a single wired connection is 1 Gbps. However, the maximum speed this gateway can deliver over Wi-Fi is 1.7 Gbps. The DOCSIS 3.1 spec says this gateway can reach 10 Gbps. This is where the maximum download speed gets tricky. In other words, the 5 GHz band has a maximum speed of 1,733 Mbps (4 x 433 Mbps) while the 2.4 GHz band has a maximum speed of 600 Mbps (3 x 200 Mbps). The Wi-Fi portion provides a maximum throughput of 2,350 Mbps. That means it combines the functions of a modem with a Wi-Fi 5 router in one unit, saving you space. The ARRIS SURFboard SBG8300 is a wireless gateway, not a standard modem. NETGEAR’s slightly more expensive Nighthawk CM1150V is basically the CM1200 but with voice/phone support included. It’s rare to meet someone who still uses a landline phone these days, but NETGEAR has you covered if you do need a modem that can work with bundled phone services (i.e., an internet package that also provides support for phone lines). Ignore all the DOCSIS jargon about reaching 10 Gbps-that kind of output isn’t possible on this modem. Technically, you can link the first two Ethernet ports for a 2 Gbps connection to a compatible device, but the remaining two connections will be 1 Gbps each. However, that means the maximum download speed for each connection will be 1 Gbps. Each can support an IP address if your business account allows it, so any business can have up to four separate networks accessing this single modem. The secret to the CM1200’s success lies in its four Gigabit Ethernet ports. NETGEAR even lists Comcast Business as a compatible service (along with Xfinity, Spectrum, and Cox). The CM1200 is great for businesses that have more than one IP address. Overall, it’s these extras that make us consider Motorola’s MB8600 one of the best gigabit modems around. Your home network can use one Ethernet port, while your server can use another port. For example, you may run a business from your home and have a web server set up in your office. You can also use these ports separately if your internet plan supports multiple IP addresses. All four ports linked together total 4 Gbps. When a 2 Gbps connection becomes available, you can link the first and second Ethernet ports to create a 2 Gbps connection to a compatible router. Most cable internet providers can barely break the 1 Gbps (or 1,000 Mbps) mark at this point, so claims of 3.8 Gbps download capacity are more aspirational than anything-it’ll take some time before a cable internet provider will be capable of breaking through Xfinity’s current 1.2 Gbps cap.Īs for the four Gigabit Ethernet ports, you can use only one right out of the box-the other three are masked and unnecessary-at least, for now. Four Gigabit Ethernet ports? Maximum 3.8 Gbps download speeds? Way cool.īut there’s something you should know. The Motorola MB8600 certainly has some impressive numbers behind it.
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