ESXI 6 Slow file transfer from win machine to server. What is the problem?

Question

Computer networks

Good day!
I'm starting to learn vmware esxi virtualization. Delivered the virtual computer as it is specified in a manual from the producer.
everything is fine, I set up the grid (I did not set any speed limits) Everything went up well. Those. there are no yells.
But when I decided to transfer files to a server of large sizes (any). That transfer rate showed 56,000 kb / s

. This is very weak.
Additional information:
1. the grid is not loaded.
2. Gigabit network
3. There are no restrictions anywhere.
4. I installed FreeNas and Nas4free on the virtual machine and uploaded files there. The speed is a little higher. But not really.

What will be the thoughts?

Answer 1

Typo
56,000 bps*

Answer 2

are you uploading via teamviewer? they seem to drive files through themselves

Answer 3

change protocol