Features Onboard standard CM4 connector, support access to CM4 Lite / eMMc series boards with Quad Core Cortex A72 64-bit processor, more powerful performance Easily compatible with the interfaces of Raspberry Pi 4B board Onboard 4-ch USB 3.0 ports, compatible with USB 2.0 / 1.1 transmission Onboard RJ45 Gigabit Ethernet port, 10 / 100 / 1000 M adaptive Onboard PoE header, for connecting PoE HATs Package include 1. CM4-to-Pi4-Adapter x1 2. Screws pack x1 Resrouces available: https://www.waveshare.com/wiki/CM4-to-Pi4-Adapter

Suitable for application scenarios which require wider temperature range. Need a Pi4B with eMMC function while the TF card is not very stable? This adapter is designed for you. If you need 4-ch USB3.0 and dislike the slow USB2.0 interface, you can choose this adapter.