A variety of applications can include systems having packaged electronic devices. One or more of the packaged electronic devices can include a package substrate, having a first section and a second section with the second section elevated with respect to the first section, to support dies in the two sections. The first section can have a first top surface and a bottom surface with one or more layers of material between the first top surface and the bottom surface. The second section can include a second top surface and the bottom surface of the first section with the one or more layers of material of the first section extending horizontally from the first section. The second section can have one or more additional layers of material between the second top surface and the one or more layers of material of the first section extending horizontally from the first section.