Forum Discussion

Aspirant

Jul 17, 2021

Fastest copy way to copy huge file from NAS to the pc?

Hi, I would like to know what the fastest solution to copy huge number of files (total size >1.2 TB) from NAS to the PC where it's connected with same LAN. A reason why I'm asking this is that I'...

Fujimaru

Aspirant

Jul 18, 2021

Hi,

Thank you so much for your suggestion. I definetly will consider to use robocopy which I never heard before, and I just checked with the Window's command prompt, I saw that feature 'robocopy /?'.
I actually tried freefilesync util command to copy file from NAS to the pc, but it's really slow. It's much slower than I expected. Acording to the transfer speed that appl shows, I supprisingly knew that that using wifi cinnection is faster than wired gigbit ethernet connection. But their performance is only around 13Mb/s. It already spent +20 hours to copy 500G data, and still it's in the half.
Note that I'm uisng fast broadband service, and my pc is high end desktop I purchased only 2 years ago. But, their wired NIC card might have low spec, and very long ethernet cable may not support gigabit spec, but still it should cover at least 100Mbps.
Again, thank you for your suggestion, and I'll try it soon.

Thanks,
Fujimaru.

schumaku

Guru - Experienced User

Jul 19, 2021

Fujimaru wrote:

I supprisingly knew that that using wifi cinnection is faster than wired gigbit ethernet connection. But their performance is only around 13Mb/s. It already spent +20 hours to copy 500G data, and still it's in the half.
Note that I'm uisng fast broadband service, and my pc is high end desktop I purchased only 2 years ago. But, their wired NIC card might have low spec, and very long ethernet cable may not support gigabit spec, but still it should cover at least 100Mbps.

Average WiFi can be esily faster than Fast Ethernet (100 M/bs).

Be aware Windows does indicate transfer speed in Bytes (B), not bits (b) - the ~13MB/s would perfectly fit either an average WiFi or a Fast Ethernet link or around 100 Mb/s.

StephenB
Guru - Experienced User
Jul 19, 2021
schumaku wrote:

Average WiFi can be esily faster than Fast Ethernet (100 M/bs).

Be aware Windows does indicate transfer speed in Bytes (B)

That is certainly true, and I agree that 13 MB/s is a typical WiFi speed (and about what you'd see with fast ethernet).

Fujimaru also says it took 20+ hours to copy 500 GB (I'm assuming GiB). 500 GiB would take 87 hours to copy at 13 megabit/s, but only about 11 hours at 13 megabytes/sec. So the math doesn't quite work out to 20+ hours, but 13 MB/s seems closer to the actual transfer rate.

Fujimaru: You should be able to see the ethernet link speed by looking at the device properties in Windows, or on the network page in the NAS web ui. A CAT 5E (or better) cable can carry gigabit ethernet up to 100 meters. The CAT rating is usually printed on the cables.