Part Number: CM5-IO-BASE-A Mini Base Board (A) designed for Raspberry Pi Compute Module 5 Standard CM5 socket and color-coded Raspberry Pi 40PIN GPIO header, suitable for Compute Module 5 Lite/eMMC series module Onboard multiple connectors, more convenient to use Gigabit Ethernet RJ45 connector. 16PIN PCIe (PCIe Gen2/3 x1). RPi 40PIN GPIO header. USB 3.2 Gen1 Type A × 2, USB 2.0 via 6PIN 1mm FFC connector × 2