X58A-UD3R problem using Winrar unpacking to USB drive

[styr]

Hi there,
I'm having a problem with unpacking compressed files to usb attached drive.
I try different files and different usb ports  with same result.
I'm running windows xp 64 bit with raid 0 on drive c.
When I try to uncompressed 4 gig(40 files 100mb large) or larger compress file with .rar extension the whole system freezes for 2 minutes after reaching around 69-71 %.Can someone experience similar problem?I,m hearing some drive activity but nothing realy changes in windows task menager.
I'm very happy with uncompressing speed to the point of stopping at 70%, then I loose 2 minutes waiting time and nothing I can use.
Please help.
 

[styr]

I found some interesting link:
http://forums.techarena.in/windows-server-help/957122.htm

[Dark Mantis]

Hi

Try running the performance tab in Windows Task Manager while you are performing this operation and you will probably see why it appears to happen.

[styr]

Hi

Try running the performance tab in Windows Task Manager while you are performing this operation and you will probably see why it appears to happen.

I did run performance tab and all looks fine CPU usage 2% PF 900mb.
I also try to transfer large file 4 gig and up to USB external different drives as well and the system always freezes for 1 min at around 15 sec (71%) before finish.
I test also same large files in windows 7  and same situation.
I did transfer files between the internal drives and all looks fine. 
7 zip want hang the system but instead 1 min uncompressing the file will take over 3 min.
From my testing the conclusion is not the winrar  problem.
Then what could be a problem??
 

[Dark Mantis]

Maybe a buffering problem?

[styr]

Maybe a buffering problem?

if buffering then what will be the recomendation?