I think youll find the devices identical with the exception of the formatting.

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While Im sure I could get it to mount, would there be any possible performance issues by doing this In other words, is there any reason to buy the Mac version, or are they identical, but just come formatted differently Thanks.

No issues whatsoever once you reformat for Mac OS Extended (Journaled).

My Passport Rpm Mac OS X Leopard Or

I found this at the bottom of the Amazon link you posted: Compatibility Formatted NTFS for Windows XP, Windows Vista, or Windows 7 Requires reformatting for Mac OS X Leopard or Snow Leopard, or Lion.

Great so far. One formatted for moving things between Mac and Work PC.

Im looking for an external HDD that should work on both my PC and my MBA.

I understood there are some applications you can buy in order to readwrite NTFS on OSX.

You could also format the external in exFAT and that can be readwrite natively in OS X and Windows.

Plus, if you have an Air or a vanilla MacBook its USB or nothing.

This makes going with the 2TB version a pretty future-proof option - a person could always migrate that drive to a USB 3 or Thunderbolt enclosure in the future.

Only difference between the two, beside the difference in case, is that the drive is formatted for each particular platform.

My Passport Rpm Series Because Of

Im mostly concerned with reliability, and Im really drawn to the My Passport series because of the WD Nomad case they make: Im a very big fan of excessive protection when it comes to HDDs, so Id plan on leaving in that case essentially all the time.

The other option Im considering is going with the 1TB LaCie Rugged Mini (3.0).

Im planning on getting the Rugged 3.0Thunderbolt SSD as a speed drive, and it would be nice to 2 Ruggeds, as I really like those drives.they essentially have cases built in.

But that would mean I lose a whole terabyte of storage from the WD My Passport.

LaCie Rugged Mini Id assume the LaCie has a bit of an advantage in terms of performance.

So if you want to use USB 3 you need the silver Mac version.

The for Mac designation looks to be a money grab as they anticipate many people wont know its the same device just formatted differently.

Interesting, if you use the Product Selector on and select Mac and PC in the compatibility list it returns NO RESULTS.

Sadly, Newegg s comparison tool seems to choke on comparing the standard drive and the For Mac drive.

My Passport For Mac Rpm