[SOLVED] Transfer rate not exceeding 11MB/S

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DMD61
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[SOLVED] Transfer rate not exceeding 11MB/S

Post by DMD61 »

Good evening.
I am in possession of the QNAP TS-431K and have noticed as of today a data transfer rate of no more than 11MB/S and I don't know where to check to see if it is a problem with the QNAP.
In the setting the negotiation is defaulting to automatic.
Any ideas?
Thanks

https://i.postimg.cc/43KJMY48/Screenshot-002.png

https://i.postimg.cc/pVQPgbxt/Screenshot-004.png

https://i.postimg.cc/2StY4Cdn/Screenshot-003.png
Last edited by DMD61 on Mon Nov 28, 2022 7:32 pm, edited 1 time in total.
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dolbyman
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Re: Transfer rate not exceeding 11MB/S

Post by dolbyman »

11MB sounds like a network segment is running in 100Mbit/s mode(after the NAS)..investigate please

Please also switch your UI to english when posting screenshots in an english forum!
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DMD61
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Re: Transfer rate not exceeding 11MB/S

Post by DMD61 »

Good morning.
I apologize for the Italian interface, I had forgotten to change it to English.
This morning I did a data transfer test from two different PCs connected to the same swirch that is connected to the QNAP and I actually found a noticeable difference.

(Writing 11,23 Mb/S - Reading 11,5 Mb/s)
https://i.postimg.cc/HxSLgXNX/PC-MIMMO-vs-NAS.png

(Writing 88,67 Mb/S - Reading 108,16 Mb/s)
https://i.postimg.cc/tgF1LBWc/PC-CHRISTIAN-vs-NAS.png

At this point I am assuming that the problem is not with the QNAP but with the network card in the pc, or am I wrong?
Thanks
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FSC830
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Re: Transfer rate not exceeding 11MB/S

Post by FSC830 »

As said, 11MB seems like there is a 100MB connection in place, this can be a setting at PC or a wrong/broken cable/interface.

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DMD61
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Re: Transfer rate not exceeding 11MB/S

Post by DMD61 »

Network settings are correct
https://i.postimg.cc/T349fVCx/Screenshot-001.png
https://i.postimg.cc/QdwpRXdx/Screenshot-003.png

I also tried setting "1.0 Gbps Full Duplex" but nothing changes.
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FSC830
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Re: Transfer rate not exceeding 11MB/S

Post by FSC830 »

Did you check/change cable?

Regards
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DMD61
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Re: Transfer rate not exceeding 11MB/S

Post by DMD61 »

You were right and I thank you for the suggestions, I SOLVED!!!
After hours of trying I went crazy.
I finally found the malfunctioning cable.
It was a commercial cable replaced by one I had wired myself and had it spare.
I now detected a more "normal" speed (80,7 MB/S)

https://i.postimg.cc/mDHFTXQH/Screenshot-001.png
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FSC830
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Re: [SOLVED] Transfer rate not exceeding 11MB/S

Post by FSC830 »

A cable for 1GB need all 8 wires (+shield), if one (or even more) is broken, the transfer drops to 100MB. 100MB cables use only 4 wires (short explanation :wink: ).

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DMD61
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Re: [SOLVED] Transfer rate not exceeding 11MB/S

Post by DMD61 »

Thanks for the explanation, evidently something like that must have happened inside the cable.
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