[Aurornis]

All white builds are common. There are a lot of white GPUs, motherboards, RAM, cases, and fans.

If you need daily dust cleaning you should invest in a room air filter.

[esseph]

Common? Less than 5% of the market. Is that common?

[SAI_Peregrinus]

They typically don't require any custom one-off parts to be made, just mass-produced off-the-shelf stuff, so they're common enough.

[esseph]

It seems that common means something very different to you and I. Less than 5% of something is common? To me that sounds like the definition of uncommon!