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		kevin
I am buying a 5.25" USB external case for putting a DVD writer in it.
I can buy an external case with our without an external power supply.
Is it convenient it to have an external power supply? The prices are
40$ and 70$.
				
			I can buy an external case with our without an external power supply.
Is it convenient it to have an external power supply? The prices are
40$ and 70$.