Here is an image of the E92 ECM mounted in the vehicle.
Note the added security measures installed on the ECM (aka plastic ZIP tie). Ours no longer has a ZIP tie.
Here is an image of the new E92 ECM next to an E38 ECM (the ECM used in the 2007-2013 CK trucks) for comparison:
More inputs and outputs (I/O) and the E92 has the built in high voltage drivers for the direct injection injectors.