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My Mac Mini internet speed test starts high at about 200 Mbps but by end of the test ends at about 55 Mbps. All other devices on the network stay at high speeds. Also happens when Mac Mini connected to modem via ethernet. This is not a router so it is the only device on the network. This only happens with the Mac Mini. Mac Mini late 2012 with OS 10.15.7
Mac mini, macOS 10.15
True. I’ve tried multiple speed test sites with multiple locations from each all with similar results. Unlike your curve which is relatively flat, mine jumps up at the start and then is a steep slope down. Ends about 60 and that is what is listed as my download speed. I pay for 600 Mbps and my other devices get 250 to 500 Mbps depending on activity. This Mac Mini used to be the same, download speeds about 200, but something happened a few months ago.
True. I’ve tried multiple speed test sites with multiple locations from each all with similar results. Unlike your curve which is relatively flat, mine jumps up at the start and then is a steep slope down. Ends about 60 and that is what is listed as my download speed. I pay for 600 Mbps and my other devices get 250 to 500 Mbps depending on activity. This Mac Mini used to be the same, download speeds about 200, but something happened a few months ago.
You may be confusing the Download and upload speeds. Use Ethernet, it will be faster than WiFi. An example below:
Retrieving speedtest.net configuration...
Testing from Spectrum (***.***.**.**)...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Ablative Bespoke & Visionary Networks Corp (Madison, WI) [7.13 km]: 32.022 ms
Testing download speed................................................................................
Download: 198.10 Mbit/s
Testing upload speed................................................................................................
Upload: 8.24 Mbit/s
Thank you. I appreciate the response. I was connected via Ethernet directly to the modem (not a router). You can watch the download speed spike at about 200 in the first couple of seconds of the test and then quickly drop over the next few seconds of the download test to about 50 or 60. Then the upload test shows about 20 Mbps which is standard for my service.
Well, It would appear it is not related to your Internet connection. Your other devices would be affected. Except for changing the ethernet chord, which you might have tried, it looks like it is time to retire the 2012 Mac mini. Sorry to say, I am beyond helping you.
Run the speedtest shown by @den,thed above, see the results, The "Spike" you noticed is not the result you will find. The actual is the result of the whole test. Mine came out as follows:
+1 to Bob's point.
My 100 Mbps service averages
95.26 Mbps download
41,68 Mbps upload
For a second opinion, test using > https://www.speedtest.net
Thank You for your help.
No further assistance needed.
Quite alright. I really appreciate your time to help me with my problem. It is nice you take the time to help others.
Happy New Year
You are welcome. Have a nice 2022.
Mac Mini internet speed test starts high but ends low
