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#1
Wrong copy speed and time in Windows 7 x64
Hello!
I am having a strange issue with speed and time calculation during coping large files from my laptop's SSD (Samsung PRO 840 with speed drive function enabled) to USB 2.0 external drive. Whenever I use explorer (not a browser) functions or TotalCommander, when I copy files large than 1Gb, the speed goes way up to 1 500 mb\s (sic!) or 500 mb\s, then the progress bar stutters on 15% or 20% while led on the external drive keeps blinking. After some time progress bar goes further but speed goes to 40-50 mb\s and stays like that until copy is finished.
It was not like that before.
What I was tried to do:
1. I have tried to turn off all not-windows related services;
2. I have tried to turn off antivirus (malawarebytes) and speed-drive function of the SSD on top of that with no luck;
3. I have tried other USB2.0 ports;
4. I have checked my CPU and Memory and HDD- no errors whatsoever;
P.S. My external drive and cable are USB3.0, but I am using USB2.0 port, be cause there is only one USB3.0 port on my laptop and it used by another external drive.
You can see what happens on the video in the attach.
I would be glad to get any advice on that issue. Thank you very much.