Complex sentence: A Mobile PCI Express Module (MXM) is an interconnect standard for GPUs (MXM Graphics Modules) in laptops using PCI Express created by nVidia and several laptop manufacturers.
Split into simpler sentences: A Mobile PCI Express Module (MXM) is an interconnect standard for GPUs (MXM Graphics Modules) in laptops using PCI Express. It was created by nVidia and several laptop manufacturers.