Multiple choice

You are replacing a hard disk and want the best performance from a magnetic HDD. Which rotation should you choose?

  1. 10,000 rpm

  2. 15,000 rpm

  3. 25,000 rpm

  4. 40,000 rpm
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The highest standard rotational speed for high-performance enterprise magnetic hard drives is 15,000 rpm. Higher speeds like 25,000 or 40,000 rpm are not commercially available or practical due to physical limitations and heat generation.

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