Very Slow NAS File Transfer Speeds

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olafgarten

olafgarten

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Dec 16, 2011
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I am trying to transfer about 20gb of files to my NAS over wifi. The connection goes like this:

2.5" SSD in Laptop, Using Windows Explorer ->300mbps WiFi Connection-> Router->Cat 6 Cable-> Gigabit Port On Switch -> Gigabit Port On Switch -> Cat 6 Cable -> Gigabit Port on NAS -> 2tb Drive RAID 1 Array.

No one else is using the network and I am getting a 60mb/s connection to the internet. The connection to the NAS is an average 4mb/s.

Thanks for any help in advance.
Harris Mirza
 
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das_stig

das_stig

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Jul 24, 2009
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Your bottleneck is the wireless transfer via explorer, not very efficient and you also have to take in account an AV scanning of the files.

If you connect the laptop to the switch with lan cable, transfers speeds will pick up or FTP directly to the NAS.
 
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A

amsgator

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Feb 10, 2014
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I am trying to transfer about 20gb of files to my NAS over wifi. The connection goes like this:

2.5" SSD in Laptop, Using Windows Explorer ->300mbps WiFi Connection-> Router->Cat 6 Cable-> Gigabit Port On Switch -> Gigabit Port On Switch -> Cat 6 Cable -> Gigabit Port on NAS -> 2tb Drive RAID 1 Array.

No one else is using the network and I am getting a 60mb/s connection to the internet. The connection to the NAS is an average 4mb/s.

Thanks for any help in advance.
Harris Mirza
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I'm guessing your internet speed is 60Mbps, not 60MB/s? So that begs the question, is your connection to your NAS 4Mbps or 4MB/s?
 
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A

amsgator

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Feb 10, 2014
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Your maximum theoretical speed at 300mbps is 37.5 MB/s (8 megabits/megabyte). With that said, you're never going to come even close to that speed. I'm not sure how they get away with calling it 300Mbps, but they do. I only get about 3.75 MB/s over mine so you're speed is in the ballpark of what it should be.

You could also consider a dual band router if you're running on 2.4 GHz as that band may be saturated. You can use inSSIDer to scan and see if there are other networks on the same channel as yours. If so, try changing the channel to a less saturated one or using the 5 GHz band on a dual band router.

The distance from the wireless router plays a significant factor as well, more than you'd ever imagine.

Also, your internet connection speed (to the outside world) has nothing to do with your transfer speeds over your local network. You can completely disconnect from the internet and still be able to transfer files locally.
 
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