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Intel Rapid Storage Technology impact on USB HDD

Tags:
  • Intel
  • Storage
  • Rapid Storage
  • External Hard Drive
  • USB
  • Speed
  • Hard Drives
Last response: in Storage
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October 30, 2013 2:48:28 PM

My new external HDD (WD My Passport 2TB, USB powered) benched 34/27 MB/s read/write out of the box. I then installed Intel Rapid Storage Technology driver and suddenly i got 110/110 MB/s.
But when i pul out the harddisk for some time, maybe after a restart of the computer, the speed is slow again!
If i rerun the IRST install i have high speed again.
How do i get high speed all the time?

More about : intel rapid storage technology impact usb hdd

a b å Intel
a c 970 G Storage
October 30, 2013 3:13:21 PM

You can't.
Intel RST caches frequently used data so its not getting read thru the slow usb interface.
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October 30, 2013 3:25:45 PM

Could you elaborate on that please?
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November 4, 2013 2:03:13 PM

popatim said:
You can't.
Intel RST caches frequently used data so its not getting read thru the slow usb interface.


Will i have the same problem if i buy a USB pen drive (flash) instead og could i get full speed from that?

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a b å Intel
a c 970 G Storage
November 4, 2013 5:46:37 PM

35mb/s is full speed for a usb2 port....
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a b å Intel
a c 970 G Storage
November 4, 2013 5:58:48 PM

I'm thinking your problem isn't RST but rather a USB3 not always detecting your drive as USB3 and falling to USB2.
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November 5, 2013 9:12:17 AM

popatim said:
I'm thinking your problem isn't RST but rather a USB3 not always detecting your drive as USB3 and falling to USB2.

Any idears on how to correct that? My OS is Windows 8.1
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a b å Intel
a c 970 G Storage
November 5, 2013 4:47:42 PM

Nope, this is a common win8 issue along with the drive constantly going offline and not being detect on startup/restart if its already connected... Its a driver issue that MS is supposedly working on.
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