Waitopedia is a comprehensive resource of information about SQL Server waits.
The description shown below is the top answer as voted by the Spotlight community.
The charts are based on 2.1 TB of data collected from 4207 instances uploaded by 323 Spotlight users over an 8 week period.
SNI_WRITE_ASYNC
Category: Other
SQL Server versions: 2017
What is SNI_WRITE_ASYNC?
This wait has never occurred recently
SNI_WRITE_ASYNC has not occurred recently on 4207 instances checked.