Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_21675 ( "Name" text, "Raw bandwidth (Mbit/s)" real, "Transfer speed (MB/s)" text, "Max. cable length (m)" text, "Power provided" text, "Devices per channel" text )

### Question ###
Name the devices per channel for 2560

### Accurate SQL ###

SELECT "Devices per channel" FROM table_21675 WHERE "Raw bandwidth (Mbit/s)" = '2560'