ns350 uses CX300 backend, 4 DAEs maximum. Something else to keep is mind is the support capacity per datamover based on your DART code. Check Celerra release notes for those numbers.  
 hello i am looking for, whats de maxiums values about space, for NAS350, and for the CX300 OR CX500 that is the NS350´s   backends thank you  Maynor
ns350 backend cx300 or cx500 - how many maxium DAEs can be configured.