If we need to remove the side panel on our desktop computers, we usually do not give much thought to the series of flexible spring tabs around the outer edge of the case, but what are they actually there for? Today’s SuperUser Q&A post has the answer to a curious reader’s question.

Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites.

The Question

SuperUser reader VAN wants to know what the flexible spring tabs on the side of computer cases are for:

What are the flexible spring tabs on the side of computer cases for?

The Answer

SuperUser contributor VAN has the answer for us:

Have something to add to the explanation? Sound off in the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.

Here are some additional references that support the dampening idea/theory as well. Although they are not for the chassis per se, one patent covering media drives mentions vibration dampening and a second patent for a hard disk frame mentions both uses.

Image Credit: lungstruck (Flickr)