diff --git a/imcsdk/imcsession.py b/imcsdk/imcsession.py
index 5cec683..49c0415 100755
--- a/imcsdk/imcsession.py
+++ b/imcsdk/imcsession.py
@@ -504,7 +504,7 @@ def _validate_connection(self):
         return False
 
     def _validate_model(self, model):
-        valid_model_prefixes = ["UCSC", "UCS-E", "UCSS", "HX", "APIC-SERVER-", "DN1", "DN2", "DN3", "ULTM"]
+        valid_model_prefixes = ["UCSC", "UCS-E", "UCSS", "HX", "APIC-SERVER-", "DN1", "DN2", "DN3", "FMC", "ND-NODE-", "SNS", "ULTM"]
         valid_models = ["R460-4640810", "C260-BASE-2646"]
 
         if model in valid_models: