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USB 3.0 External HD runs at USB 2.0 speeds in 2.0 and 3.0 ports

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June 29, 2013 8:07:57 AM

My Seagate FreeAgent GoFlex 1.5 TB external hard drive runs at the same speeds (R/W around 35 MB/s) whether plugged into a USB 3.0 or USB 2.0 port.

I've had the drive for over a year, but just upgraded my computer and have USB 3.0 ports for the first time.

Any ideas on why I'm not getting USB 3.0 speeds?
a b G Storage
June 29, 2013 9:12:06 AM

Did you install the usb3.0 driver? And what motherboard are you using, to be specific?
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June 29, 2013 10:11:25 AM

Madn3ss795 said:
Did you install the usb3.0 driver? And what motherboard are you using, to be specific?

Yes - I installed the USB 3.0 drivers and I don't see any yellow items in device manager. MSI Z87-G45.

Edited: I meant MSI Z87-G45.

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July 2, 2013 11:53:20 AM

Anyone have any ideas on this? I feel like this is a solvable issue, but I know it's hard to address given the number of things you might need to know. If there is any specific information that I can provide that would be helpful, please let me know. Thanks.
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a c 148 G Storage
July 2, 2013 12:06:18 PM

brimley said:
My Seagate FreeAgent GoFlex 1.5 TB external hard drive runs at the same speeds (R/W around 35 MB/s) whether plugged into a USB 3.0 or USB 2.0 port.

I've had the drive for over a year, but just upgraded my computer and have USB 3.0 ports for the first time.

Any ideas on why I'm not getting USB 3.0 speeds?


From the review " Real World Performance ", you can see if you copy large file (8GB) the speed is 77MB/s, if you copy the small file (5GB) the speed is down to 25MB/s. And Look like your drive is fine.
http://www.everythingusb.com/seagate-freeagent-goflex-u...
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July 2, 2013 12:27:44 PM

cin19 said:
brimley said:
My Seagate FreeAgent GoFlex 1.5 TB external hard drive runs at the same speeds (R/W around 35 MB/s) whether plugged into a USB 3.0 or USB 2.0 port.

I've had the drive for over a year, but just upgraded my computer and have USB 3.0 ports for the first time.

Any ideas on why I'm not getting USB 3.0 speeds?


From the review " Real World Performance ", you can see if you copy large file (8GB) the speed is 77MB/s, if you copy the small file (5GB) the speed is down to 25MB/s. And Look like your drive is fine.
http://www.everythingusb.com/seagate-freeagent-goflex-u...

Ok, you're right. That's disappointing, but thank you. I purchased this drive in a weird (legit) way and didn't have a chance to research it first. Funny that for all intents and purposes (files < 5 GB), it only operates at USB 2.0 speeds. Thanks again.

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a b G Storage
July 2, 2013 8:01:23 PM

If it shows just 35mb/s when transferring a big ISO or RAR file then it's clearly not running at 3.0 speed. Even the worst external HDD can go higher than that when plugged into an usb3.0 port.
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