New Industrial Generation CM4 Computing Module offers general purpose input and output pins.The IO Board designed for CM4 allows easy use of modules such as HATs and PCIe cards.CM4 provides different RAM options, including 1 GB, 2 GB, 4 GB, and 8 GB.Key features of CM4 include a 64-bit quad-core processor, dual display support, up to 8GB RAM, Gigabit Ethernet, USB 2.0, and PCIe Gen 2 x1 interface.