How to find out how many read/write queues (threads) an SSD supports?

Question

linux

Hello.
In other words, how do you know how many reads or writes can be done in parallel (excluding empirical methods)?

Answer 1

know how many reads or writes can be done in parallel (excluding empirical methods)?

Ask a question to the manufacturer. Or find such information in the product specification.
There are no other non-empirical options.