SQL 2012 - Data Directories Recommendations

Hello!

On the Instance Configuration and  Database Engine Configuration pages of the SQL Server 2012 Setup there are options to choose the location of the directories:

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Which of the following directories require separate drive and what capacity and type of the drive is recommended for the following data directories according to the best Microsoft practices?

1. SQL Server directory
2. Analysis Services directory
3. Reporting Services directory
4. Instance root directory
5. Data root directory
6. System database directory
7. User database directory
8. User databas log directory
9. Temp DB directory
10. Temp DB log directory
11. Backup directory
12. Shared feature directory
13. Shared feature directory (x86)

Thank you!