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What Are the Two Data Transfer Modes Used by Hard Drives?

April 26, 2017Data Hard Drives modes transfer Used

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What Are the Two Data Transfer Modes Used by Hard Drives?

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While reading about hard drives, particularly older ones, you may have wondered about the terms “PIO” and “UDMA,” and wondered about their significance, since the terms are no longer widely used. PIO and UDMA are the two modes of data transfer used by ATA (also known as IDE) hard drives, and understanding these terms can help during the process of troubleshooting some types of hard drive issues.