What makes a HDD fast?

Related questions

1. Is 256 SSD enough for gaming?
2. Is 256gb SSD enough for a laptop?
3. Is a 7200rpm HDD faster than a 5400?
4. Is SSD or HDD better?
5. How fast is Intel Optane?
6. Does Intel Optane replace RAM?
7. Can I upgrade HDD to SSD?
8. Is SSD faster than HDD?
9. Is Optane faster than NVMe?
10. Is SSD faster than 7200rpm?

Tags

1. #efficiently
2. #fastest
3. #larger
4. #computer
5. #transferred
6. #allows
7. #between
8. #cache
9. #slower
10. #drive
11. #since
12. #handled
13. #memory