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How to maximise data transfer speeds over the 1Gbit LAN speed at home

#1
My question may seem basic but I can not find much information.  I’ve watched your videos dozens of times and I’ve leaned a lot. Something keeps escaping my knowledge….

I don’t think I understand how fast my home network speed should be compared to my internet speeds. Am I doing something wrong? 

If I have 1gb internet speeds why don’t files transfer/write from my computer to my NAS at those speeds?  Assuming I have all the best hardware, why does the internet speed test (on the NAS itself) show 1gbps but when writing from my computer to my NAS it’s only speeds of around 50mbps. 

Quick snapshot:

Computer:  tried on numerous computers but my main computer is top of the line 32-core AMD, 10gb lan card (and/or WiFi 6) 2080ti gpu,  Aorus Gen 4 NVME ssd, 128gb RAM 3600, etc…

NAS drives Tried:

1. QNAP 672XT (i5, 8gb Ram) brand new   

2. Western Digital My Cloud Mirror NAS

3. Western Digital EX4100 NAS


Why are my Internet speeds are 1gb but my home network speeds are 40mbps-50mbps when writing from a computer to a NAS?  If I do an internet speed test on the QNAP (itself) it will be close to 1gbps (typically around 700-800mbps) but again if I copy a 4K video file (for example) the transfer speed will only be around 50mbps.

There is no bottleneck (Cat6 and Cat8 cables have been tried) and I’ve tried a 2.5gbps switch and a 10gbps switch, and even tried going directly from the cable modem to the NAS (using the modem’s 4 ports) to connect each computer and NAS (to make sure nothing else is bottle necking it). 

Regardless of what I do I can not get more than 50mbps when moving files to or writing from a NAS. 

Am I just confused on how fast my home network should be?  Can my computer write to a NAS at GB speeds?  What effects those speeds if it’s not the computer or the NAS (or even my internet speed)?  For example, if my home didn’t have an internet service provider and I just wanted a home network for my home computer to write to a  NAS on my network. -What would the speed be when writing to the NAS on that home network?

I don’t want to babble on anymore and hope my questions makes sense…

Sorry if this sounds like a dumb question but I can’t seem to find any info on this basic question.
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How to maximise data transfer speeds over the 1Gbit LAN speed at home - by Enquiries - 08-16-2022, 10:00 AM

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