Extra hard drive port available on all models?

Hi,

Thank you for the wonderful teardown guide.

I have a question regarding the availability of the extra hard drive port: is this available on both mac mini non-server models, or just the higher-end model?

Thanks again!

Zhi Wei

PS: Admin, I posted this question into the guide by mistake (I didn't realize that this forum was possible). Please delete the previous note if necessary, sorry for the trouble.