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SanDisk Guru
Posts: 2,784
Registered: ‎07-23-2010
Re: Sandisk Extreme 64GB - Slower write speeds after system format

Thank you for confirming what I have always said.  Don't reformat a new drive unless you absolutely positively have to, large file sizes being the only example IMO.  I think you've gone as far as you can at this point.  If you need 4GB files to fit you have exFAT and NTFS as your options but there is a down side.

 

You could try enabling the drive caching capability but you have to be very very certain you always Safely Remove any flash drive you use in the machine.

Ed
Important files = Backed up files
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