Hi Imran-
The 3315 appliance supports all personas running ISE 1.3
http://www.cisco.com/c/en/us/td/docs/security/ise/1-3/release_notes/ise13_rn.html#pgfId-527567
Now, with that being said, keep in mind that this appliances has a lot less resources compared to the SNS appliances. Thus, if you are planning on running all personas on it then you will be greatly limited to the number of concurrent endpoints.
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