You can use any external hdd you want. The only difference between the US and foreign countries would be the voltage it used. You would need an adapter when traveling outside the US. Also you need to format the drive differently if you're going to use a Mac. Even a Mac can read a fat 32 partition, it just can't write to it. You would need to partition it also if you were using it to backup the Mac. Other than that you can use NTFS / Fat 32, or whatever you want.
the reason im asking is that since i changed my opperating system on my laptop to ubuntu my transcend 500gb hadr drive has refused to work on either my laptop or on my xbox360 and i have no idea how to save it or if indeed the time has come to buy a more reliable external hard drive. so i guess im asking is there a hard drive you would reccomend as being extra reliable?
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