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Why my Lacie USB2.0 320GB hard disk so slow ???

Tags:
  • Hard Drives
  • Lacie
  • Disk Drive
  • Storage
Last response: in Storage
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March 31, 2007 10:58:29 PM

Hi,

I just bought the LaCie external disk drive
spec: USB2.0, 320GB HDD, 7200RPM, Seagate

When I run the HD_speed software to see the transfer rate in read and write, the max rate in both case is at best 1.3-1.5MB/sec with an average of 1meg/sec. Even by setting different block size the transfer never exceed the 1.3-1.3MB/s.





On Lacie website, they claim a speed of 34MB/s

http://www.lacie.com/cafr/products/product.htm?pid=10763

What's wrong ????


Thanks for help.

More about : lacie usb2 320gb hard disk slow

March 31, 2007 11:25:30 PM

Are you sure your USB ports o hub are 2.0 high speed? Several hubs are USB 2.0, but not high speed (USB 2.0 doesn't mean 480Mbps, it's only protocol and electrical standard).
Make also sure you have the latest drivers installed for your mobo USB controller.
April 2, 2007 3:27:29 AM

Some Lacie external drives also have firewire 400 and firewire 800. I've done speed tests with my Lacie Little Big disk and the only difference being the interface that I connected, the 800 was by FAR the fastest, then the 400, then USB 2.0.
April 2, 2007 4:27:22 AM

yeah, it does sound like youre only on USB 1.1, with some other bottleneck somewhere (software conflict, etc)... in my experience, USB 2.0 is capped at just under 30MB/s
!