SanDisk Ultra Fit USB 3 Drive for a Mac - Don't Bother


I recently purchased a SanDisk Ultra Fit USB 3.0 Flash Drive for my MacBook Pro, hoping to extend its storage capacity for backup files. The concept is great. Insert the tiny drive into an open USB port and leave it there. By doing so, I've added 128 GBs of storage to my laptop.

At first, I used Apple's Disk Utility to erase the Ultra Fit formatting it for the Mac. I was hoping to keep Aperture libraries there. By doing so, however, the performance was so slow that I abandoned that idea and reformatted again with MSDOS. But the read/write speed didn't improve.

For example, a 3 GB audio file took 1:21 to copy from the Mac to the Ultra Fit. That is not blazing fast.

So unless I'm missing something, this isn't up to USB 3.0 standards. I have a SanDisk Cruzer Flash Drive that is blazing fast. So I know how a USB 3.0 drive should perform.

The Ultra Fit is a nice idea. But for me, it just didn't work. Back to the drawing board.

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