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Windows 7: Here are my computer specs. Why is my eSATA port slow

02 Aug 2009   #11
Antman

 

Sorry. Eating dinner. No offense intended re: show me. There are 2 firewire ports, one eSATA and oone uusb pparks :-)

Anyway, mystery solved, but the rate is a bit low. The source files may be fragged. The destination drive may be fragged/full. The cable is not shielded (by design).

You may wish to investigate a new chipset driver.


My System SpecsSystem Spec
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02 Aug 2009   #12
sergiogarcia9

 

Quote   Quote: Originally Posted by Duckling View Post
I dunno tech support at western digital said that was slow...and it should be in the Gb range
But, then again they also said their drives weren't compatible with windows 7.
Maybe it has something to do with your eSATA port on your pc?
My System SpecsSystem Spec
02 Aug 2009   #13
Duckling

Windows 7
 
 

I'm just kidding. I was jabbing at the fact that tech support are clueless.
My System SpecsSystem Spec
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02 Aug 2009   #14
SquonkSC

Win7 Build 7600 x86
 
 

Quote   Quote: Originally Posted by Duckling View Post
I dunno tech support at western digital said that was slow...and it should be in the Gb range
But, then again they also said their drives weren't compatible with windows 7.
In the Gb range? And that guy works at WD support?

The fastest continues transfer you can expect between two 7200rpm sata disks is around 70mb/s.

And that is under ideal circumstances. (right file size)

If you transfer mostly big files, setting the cluster size higher might improve performance by 5 or 10%.
My System SpecsSystem Spec
02 Aug 2009   #15
SquonkSC

Win7 Build 7600 x86
 
 

Antman also has some valid points:
Quote:
The source files may be fragged. The destination drive may be fragged/full. The cable is not shielded (by design).

You may wish to investigate a new chipset driver.
Although the effect of fragmentation on system performance is often exaggerated, (CT' germany did an extensive test, and found a max of 2% performance drop), the effect on transfers however is quite big.

A chipset driver is a crucial component in the throughput between components, so you might indeed check if there is a update for yours.


But all in all, the 5400rpm disk is the negative factor here, and you shouldn't expect a maximum of 35 to 40mb/s.

Another thing to realize is that your OS is on the same disk and takes it's fair share of the performance.

You have 8Gb of Ram so you should disable the swapfile.
That would improve the performance of your internal disk.

Good luck
My System SpecsSystem Spec
02 Aug 2009   #16
pparks1

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Duckling View Post
I dunno tech support at western digital said that was slow...and it should be in the Gb range
WOW...I cannot believe a tech support person from WD said that. Even a 10,000 RPM velociraptor is only going to approach 15% of that kinda of speed. As others have said, about 70MB/s is the best you will ever see over a continuous basis.
My System SpecsSystem Spec
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 Here are my computer specs. Why is my eSATA port slow




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