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Stupidly slow transfer speeds

g8spur Avatar
2y, 5m agoPosted 2 years, 5 months ago
Just bought a 3tb WD green and put it in a Zyxel NSA320S. Started transferring just over 1.5tb of data from a WD 2tb HDD and I'm getting a transfer speed of 2.54mbps! Going to take about 2 days at this rate.

Surely that can't be normal? Anyone know how I can speed things up?

Edit: I should mention that I'm doing the transfer wirelessly and I'm copying the files.
g8spur Avatar
2y, 5m agoPosted 2 years, 5 months ago
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Best Answer
Are the two drives within the same NAS?
I.e you are trying to copy from one HDD within the NS to the Other? If so, you are pulling the data off the nas, through the router, to the pc, back to the router, to the HDD: effectively halving your rates before your bandwidth before doing anything! Couple that with the distance drop from the router ( the speed drops off very quickly the further you go from a router as it's like a sphere) and then you end up with slow transfer rates.

I had a look at the back: seems to be two USB ports for adding extra storage and not connecting to USB port on PC as that would be the best way.

Otherwise,I would connect the Gigabit port to the router with Cat5e Ethernet cable then connect the PC to the router with the same: hopefully you have 10/100/1000 on your laptop and router so everything will transfer quicker 1000mbps ~ 120MBps I think off the top of my head.

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#1
On a 150mbps wifi connection that's a little under 19 megabytes per second at the theoretical maximum transfer rate. I work that out to be about 23hours at max speed to transfer 1.5tb of data.

All this is before you add any overheads like wifi signal issues, lost packets and of course the fact you are using the connection and possibly sharing it with others means 2 days sounds about right.

Find a USB cable and plug it in overnight. 8 hours or so on a wire should have it all copied with time to spare.
#2
Are the two drives within the same NAS?
I.e you are trying to copy from one HDD within the NS to the Other? If so, you are pulling the data off the nas, through the router, to the pc, back to the router, to the HDD: effectively halving your rates before your bandwidth before doing anything! Couple that with the distance drop from the router ( the speed drops off very quickly the further you go from a router as it's like a sphere) and then you end up with slow transfer rates.

I had a look at the back: seems to be two USB ports for adding extra storage and not connecting to USB port on PC as that would be the best way.

Otherwise,I would connect the Gigabit port to the router with Cat5e Ethernet cable then connect the PC to the router with the same: hopefully you have 10/100/1000 on your laptop and router so everything will transfer quicker 1000mbps ~ 120MBps I think off the top of my head.
#3
What's the wi-fi speed, 100/150/300Mbps?
#4
The WD Green drive won't help either, they aren't built for speed, more power saving. As stated, the quickest way to transfer to a nas will be via gigabit lan. Also is your nas set for raid?
#5
enigmatik33
The WD Green drive won't help either, they aren't built for speed, more power saving. As stated, the quickest way to transfer to a nas will be via gigabit lan. Also is your nas set for raid?

Greens can write around 80/90MBps.
#6
Wow , so much help. Thanks all. I stopped the transfer after 10 hours since only 10% had been copied! I'm going to try a cabled approach later on and accept that its not going to be that quick.
#7
rev6
What's the wi-fi speed, 100/150/300Mbps?

Rubbish WiFi where I live which I guess must play a part.

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