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FORUMS General Gear Talk Computers 
Thread started 27 Jun 2009 (Saturday) 08:36
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Window 7, 64bit and E-Sata Speeds

 
flashLM
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Jun 27, 2009 08:36 |  #1

Hi Everyone...
I am running intel x58 i7 M/B... and have a 1T WD E-Sata external HDD... When copying or doing file transfers i only get arround 160-200 mb/sec, is this not surpose to be 3Gb/sec? i have checked the drivers and this seems to be up to date...


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basroil
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Jun 27, 2009 09:47 |  #2

flashLM wrote in post #8183783 (external link)
Hi Everyone...
I am running intel x58 i7 M/B... and have a 1T WD E-Sata external HDD... When copying or doing file transfers i only get arround 160-200 mb/sec, is this not surpose to be 3Gb/sec? i have checked the drivers and this seems to be up to date...

160-200mb/s should only be for a second or two, usually maxes out at 80mb/s or so for long files. The data path is rated for 3gb/s, but hdds are not. Hence why you can use an FIS switch to make one e-sata port hold five disks all going at max speed.


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tim
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Jun 27, 2009 20:36 |  #3

The only way to saturate the 3Gbps the SATA bus can do is with solid state disks, and you might even need a raid array of them to do it. 100MB/sec wouldn't be a bad speed from a hard drive.


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basroil
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Jun 27, 2009 20:59 |  #4

tim wrote in post #8186388 (external link)
The only way to saturate the 3Gbps the SATA bus can do is with solid state disks, and you might even need a raid array of them to do it. 100MB/sec wouldn't be a bad speed from a hard drive.

Not might, do. Even the fastest are only 300mb/s or so (2.4Gbps). If you really need speed, OCZ and a few others sell a PCI-E card (note it's not SATA at all, so you can't boot from it) that has up to about 640GB and gets 1500mb/s... for more than your computer, camera, and possibly life insurance.


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flashLM
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Jun 28, 2009 23:27 |  #5

thanks so much for the feedback guys... looks like i will have to be happy with the current speed for now...
Cheers


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CyberDyneSystems
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Jun 30, 2009 10:51 |  #6

basroil wrote in post #8186488 (external link)
... If you really need speed, OCZ and a few others sell a PCI-E card (note it's not SATA at all, so you can't boot from it) that has up to about 640GB and gets 1500mb/s...

Link?


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basroil
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Jun 30, 2009 11:14 |  #7

CyberDyneSystems wrote in post #8200647 (external link)
Link?

Wrong specs... my memory is failing. 510mb/s (still faster than 3gbps limit though) with up to 1tb http://www.ocztechnolo​gy.com …z_z_drive_pci_e​xpress_ssd (external link)

I was thinking about the Fusion IO when i mentioned those specs:
http://www.fusionio.co​m/PressDetails.php?id=​69 (external link)


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CyberDyneSystems
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Jun 30, 2009 14:31 |  #8

Wow! Sort of reminiscent of the I-Ram, nice to see that some development is happening with this sort of storage.


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Window 7, 64bit and E-Sata Speeds
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