https://community.extremenetworks.com/t5/extremeswitching-other/can-i-stack-x450e-with-x440/m-p/11803#M2831 Hi Rod,<BR /> <BR /> The only real downside is that you would be limited to EXOS 15.3. Other than that, this should work.<BR /> <BR /> -Brandon Thu, 27 Apr 2017 00:35:00 GMT BrandonC 2017-04-27T00:35:00Z https://community.extremenetworks.com/t5/extremeswitching-other/can-i-stack-x450e-with-x440/m-p/11802#M2830 Based on the XOS matrix I should be able to stack X450e switches with X440-48P using the inbuilt stacking option. XOS 15.3.5.2-patch1-13 , understand that this is probably not recommended , but has anyone done this , and what are the pit falls ?<BR /> <BR /> I would expect to use the X440-48P as master and backup in the slot ..<BR /> <BR /> Wed, 26 Apr 2017 22:21:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/can-i-stack-x450e-with-x440/m-p/11802#M2830 Rod_Robertson2 2017-04-26T22:21:00Z https://community.extremenetworks.com/t5/extremeswitching-other/can-i-stack-x450e-with-x440/m-p/11803#M2831 Hi Rod,<BR /> <BR /> The only real downside is that you would be limited to EXOS 15.3. Other than that, this should work.<BR /> <BR /> -Brandon Thu, 27 Apr 2017 00:35:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/can-i-stack-x450e-with-x440/m-p/11803#M2831 BrandonC 2017-04-27T00:35:00Z