Dell PowerEdge R220 Owner's Manual

Your system supports Entry Hard Drives and Enterprise Class Hard Drives. Entry Hard Drives are designed for 5x8 operating environment with less workload rating to drives and Enterprise Class Drives are designed for 24x7 operating environment. Selecting the correct drive class will enable the critical areas of quality, functionality, performance, and reliability to be optimized for the target implementation.

Choosing the right drive type depends on the usage pattern. Improper use of Entry Hard Drives (workload rating exceed 55TB/year) will lead to significant risk and increase the drives failure rate.

For more information on these hard drives, see the 512e and 4Kn Disk Formats whitepaper and 4K Sector HDD FAQ document at Dell.com/poweredgemanuals.

Depending on the configuration, your system supports one of the following:

• Up to two 3.5 inch SAS, SATA, or Nearline SAS hard drives
• Up to two 2.5 inch SAS, SATA, or Nearline SAS hard drives