A base layer architecture (BLA) infrastructure device comprises a power base layer (PBL) to supply power to a cartridge, a cold thermal base layer (cold TBL) to cool the cartridge, a hot thermal base layer (hot TBL) to remove heat from the cartridge, an optical base layer (OBL) to transmit an optical signal to the cartridge and a radio frequency base layer (RBL) to transmit a radio frequency signal to the cartridge. Each base layer comprises a rack interface to couple the base layer to a rack and a number of cartridge interfaces to couple the base layers to the cartridge. A BLA infrastructure system comprises a BLA infrastructure device comprising a number of base layers. The number of base layers are removably coupled to a rack and a system management device to manage the number of base layers.