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How Do I Determine The Read/Write Speed Of An External Drive In OS X?

Question:

Can I find the read/write speed of an external drive in OS X?
- Asked by Roman L. September 7th, 2013

Answer:

Yes, you can determine the read/write speed of an external drive by using Disk Speed Test, available for free in the Mac App Store.

Once downloaded and installed, connect the external drive to your Mac, select it as the target drive in Disk Speed Test, then choose Start to begin the test.

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