Part Number: CM5-IO-BASE-BOX-A Mini Base Board (A) / Mini-Computer designed for Raspberry Pi Compute Module 5 (NOT Included) Standard CM5 socket and color-coded Raspberry Pi 40PIN GPIO header, suitable for Compute Module 5 Lite/eMMC series module Compact, yet Complete, onboard multiple connectors, more convenient to use Precise cut-out with clear label, each cut-out is completely aligned with the connector