| Summary information | |
|---|---|
| Default value | 2147483647 | 
| Range of values | 1–2147483647 | 
| Status | Static | 
| Display level | Comprehensive | 
| Required role | System Administrator | 
max async i/os per engine specifies the maximum number of outstanding asynchronous disk I/O requests for a single engine at one time. See “max async i/os per server” for more information.