There are various components available and its possible that we may have skipped some of them my mistake.
No, if any of the components is not available in our system, it doesn't mean the component is not good for your build. There are various components available and its possible that we may have skipped some of them my mistake. If you found any such components do reach us at hello@pcbuilder.net with the name or link of the component and we will add them accordingly.