Waveshare Raspberry Pi Compute Module 4 Development Kit Includes 7-inch LCD IPS capacitive touch display Comes with the official IO Board Provides an excellent way to prototype systems Onboard new PCIe Gen 2 x1 interface Suitable for all variants of Compute Module 4 The Raspberry Pi Compute Module 4 Development Kit w/ IO Board & 7in Touchscreen is a companion board for Raspberry Pi Compute Module 4 (supplied separately). It is designed for use both as a development system for Compute Module 4 and as an embedded board integrated into end products. Compute Module 4 IO Board also provides an excellent way to prototype systems using the Compute Module 4. The CM4 socket is suitable for all variants of Compute Module 4. The IO board is designed to allow you to create systems quickly using off-the-shelf parts such as HATs and PCIe cards, which might include NVMe, SATA, networking, or USB. The major user connectors are located along one side to make enclosures simple.