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Voyager GTR 32GB - Slow Write on ICH-10


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I recently purchased this usb drive for its impressive r/w speeds. However, I am disappointed to find the write speed benchmarking below par. I am getting no better than 20MB/s. The drive is formatted as FAT32 with default allocation size for Win7. I have tested this drive in a powered hub in case it was a power issue, and I have also formatted the drive with the SD Formatter mentioned in another thread, but all to no avail.





Crazy Japanese utility:


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NTFS usually benchmarks slower than FAT32, and it was no different in this case:


Atto with NTFS formatted:



Crazy Japanese utility with NTFS formatted:


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Sorry for questioning the speeds of your stick. I think it's the MSI H55M-E33 that's the problem. I tested the stick on a Tyan Tomcat S2925 (nForce Pro 3400 s/bridge), and the write speed is ~26MB/s, which is very respectable.


Atto on Tyan*:


*Had a couple of problems with Atto halting and/or throwing 1007 error code, and then "My Computer (Not Responding)" until I replug the stick. Not sure what all that was about.


Btw, I am using the latest Intel chipset driver for the MSI mobo:


No code has to be inserted here.

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Cluster size makes a difference for FAT32. This is not an official test however. Depending on your system components these results might not hold.


In my case the following works the best for my Voyager GTR 32 GB on a Windows 7 Home Prem. 64 bit machine:


FAT32 file system

32 KB cluster size


The performance is very close to the reference benchmarks (R:34 MB/s and W:28 MB/s).


For a 64 KB cluster size the performance is about 10% lower. Any cluster size 16 KB or less causes a performance hit of 15% or more.


When I test the same stick on a Windows XP Pro SP3 machine I observe similar performance levels.

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Yes you are correct but the I/O Hub is part of the south bridge Hub and it has improved performance on other flash products. So its worth trying and yes too you are correct the latest version is in BETA so its not an official release at the moment. Or use the drive on another system is about all we can suggest but the fact it works on another system would suggest its not the drive that is the bottleneck.



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