Read, Write, Cache And Disk Cache Policy Supported By The PERC Hardware Controllers
| Read, Write, and Cache Policy | PERC H800 | PERC H810 Adapter | PERC H700 Adapter/Integrated/Modular | PERC H710 Adapter/Mini Monolithic/Mini Blade | PERC H710P Adapter | PERC H310 Adapter/Mini Blade/Mini Monolithic | PERC H730P Adapter/ Mini Monolithic/Mini Blades | PERC H730 Adapter/ Mini Monolithic/Mini Blades | PERC H330 Adapter/ Mini Monolithic/Mini Blades/Embedded | PERC H830 Adapter |
| Cache settings | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Read Policy | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Read Ahead (Enabled) | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Adaptive Read Ahead | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| No Read Ahead (Disabled) | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Write Policy | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Write Back (Enabled) | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Write Through (Disabled) | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Force Write Back (Enabled Always) | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes |
| Write Cache Enabled Protected | No | No | No | No | No | No | No | No | No | No |
| Cache Policy | No | No | No | No | No | No | No | No | No | No |
| Disk Cache Policy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Cache I/O | No | No | No | No | No | No | No | No | No | No |
| Direct I/O | No | No | No | No | No | No | No | No | No | No |