found it, I have a full-speed hub, the drive is connected to the hub, so unfortunately
it can reach only the full speed, or 12Mb/sec
I changed the setup so the drive directly connects to the USB port on board, now I get 10MB/sec
pluggy wrote:Lose NTFS ? . Its quite a CPU intensive process to read and write. Using a linux native format like EXT4 would be an improvement.