New Contributor II
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10 Messages
What are your fastest Gigablast 1Gig plan speeds with your hardware?
I am trying to find out if my modem is not able to get the full Gigablast 1gig speeds for my plan.
I am pretty sure my router is a bottleneck, but I don't want to replace my router until I know my modem is not the final bottleneck.
Cox dashboard test. Las Vegas, NV to Glendale, AZ. I forgot to test using speedtest.net.
806 / 39 / (down/up Mbps) 16ms: Ethernet direct to my Netgear CM1000 cable modem.
Speedtest.net results below. Phoenix to Glendale, AZ. (2025.01.29)
822 / 40 / (down/up Mbps) 9ms: Ethernet through Asus AC-RT68U Wifi 5 router.
311 / 40 (down/up Mbps) 9ms: Wifi 5G 5.0 ghz link speed 650, through Asus AC-RT68U Wifi 5 router.
82 / 36 (down/up Mbps) 10ms: Wifi 2.4 ghz link speed 144, through Asus AC-RT68U Wifi 5 router.
Plan: Gigablast (Details from Cox:)
Typical Download Speed: 1173 Mbps
Typical Upload Speed: 40 Mbps
Typical Latency: 13 ms
Typical speeds represent national median test results.
Listed at https://www.cox.com/residential/internet/gigabit.html as of this post.
Date, time of day, and network activity in the home at the time can affect results.
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ChrisJ2
Moderator
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531 Messages
Hi, Shawn. That modem has 32 downstream channels. As we're addressing each channel at 25Mbps, you are likely going to hover around 800 and would benefit from a different modem.
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WiderMouthOpen
Esteemed Contributor III
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3.5K Messages
I saw your post on Reddit. You won't get much input here from users. There are only 3-4 of us here(besides the moderators).
With that said, most problems are related to signal and not hardware. AFAIK all DOCSIS 3.1 modems support up to 1Gbps(hyperthetically) while actual speed maxes around 940Mbps because of overhead. You can squeak out a bit more by getting a D3.1 modem with a 2.5Gbps ethernet port like the S33, but that won't help a signal issue. See here for a full list.
Can you post your signal levels? See here.
As for your router, that model is EoL as per here, so even if just for security reasons, probably a good idea to replace. I have the RT-AX86u and love it. They have a Pro model though which is better and I think the same price now. The gl-inet FLint 2 router is also a good choice. You won't get gigabit over wifi though unless you invest in a Wifi 6e or above and you have devices that support it.
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