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Seagate Barracuda ST3500630AS 500GB USB 3.0 Bottleneck

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July 16, 2014 1:45:00 PM

Will my ST3500630AS Hard Drive bottleneck transfer speeds when I connect it to an external storage device which is USB 3.0 compatible. I've tried transferring files to and fro from an external storage device and I get 30 MB/s. I have the latest USB 3.0 drivers so why is it slow?

Specs :

Intel DB85FL Motherboard
Intel Core i5 4430
8GB Corsair RAM
Seagate Barracuda 7200.10 500GB

More about : seagate barracuda st3500630as 500gb usb bottleneck

July 16, 2014 2:03:40 PM

Are you sure the external storage device isn't the bottleneck? Just because it's plugged into a USB 3.0 port doesn't mean it'll run anywhere near those speeds.
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July 16, 2014 2:23:53 PM

Jak Atackka said:
Are you sure the external storage device isn't the bottleneck? Just because it's plugged into a USB 3.0 port doesn't mean it'll run anywhere near those speeds.


The external storage device was a Seagate Goflex 1 TB. It supports USB 3.0. The transfer speed on my brother's laptop was around 95 MB/s.
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July 16, 2014 3:01:19 PM

Hm... try running a hard drive benchmark, like this one: HD Tune. That'll tell you how fast the hard drive can run.

Alternately, you can just copy-paste a fairly large file on your hard drive and see how long it takes.
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a b å Intel
July 16, 2014 3:38:56 PM

Thats an old 7200.10 drive. Top speed with data near the outter edge of the platter is about 75mb/s, dropping off to 65mb/s at half full, and finishing off to just under 40mb/s when full.

Yes this will easily bottleneck a fast usb3 drive, as would transferring lots of small files. You would probably see the numbers fall into the mid-teens with lots of small files on a nearly full drive.
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July 17, 2014 1:17:54 AM

Thanks for your answers guys! I think i'll buy an Intel SSD 730 series! :) 
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