I don't know if you saw my post. I proposed Secure Electronic Communications (test), concerning his secure access to the router he was using, and supported that view with:
Defend B720... could be a reference to Sandy Bridge - codename for the microarchitecture used in the "second generation" of the Intel Core processors, a very high performance processor {used in servers}. As to the '1A', perhaps that is a model variation; there is a server designation 1P.
There was a posting this morning about North and South “bridges” in microprocessors from a newbe ...was subsequently deleted for “further consideration”....mostly about Intel CPU architecture..