partitioning windows on a external harddrive on a iMac?

[Lyricalyjy]

I have recently purchased the new 2012 iMac 3tb fusion drive, gtx 680mx. I love the computer but one problem is I cannot use bootcamp to partition windows on the 3tb fusion drive because it does not support it yet.

is it possible to bootcamp windows on a separate external (USB 3.0 or thunderbolt) hard drive?
- if its possible, would their be some sacrifice on speed or will it be okay since usb 3.0 and the thunderbolt have fast speeds.

If there are any recommendations please help/

Thank You

[Bob]

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Hey, I enjoyed your question, I have worked as a technician most of my life, I
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Good luck...

CompTIA A+ Certified Computer Professional