This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Server rack rail dimensionsFR.svg rack unit showing how typical rack units through are distributed among the mounting holes This is the french version org Serverrackraildimensions svg Sakurambo Hashar File Server rack rail dimensions svg english version Cczero IEC standards Servers Computer hardware Racks