Read, Write, And Cache Policy Supported By SAS 6/iR And H200 Controllers
| Read, Write, and Cache Policy | SAS 6/iR | PERC H200 |
| Cache settings | No | No |
| Read Policy | No | No |
| Read Ahead (Enabled) | No | No |
| No Read Ahead (Disabled) | No | No |
| Write Policy | No | No |
| Write Back | No | No |
| Write Through | No | No |
| Force Write Back (Enabled Always) | No | No |
| Write Cache Enabled Protected | No | No |
| Cache Policy | No | No |
| Disk Cache Policy | Yes | Yes |
| Cache I/O | No | No |
| Direct I/O | No | No |

