Minimum system requirements?

I’m looking for the minimum system requirements for installing/running OSMC. Can someone please post this information or direct me to it?

My specific need is the minimum amount of space required for installation using an SD card and/or USB thumb drive. However, complete system requirements would be helpful and informative.

Thank you.

I have found that according to Sam the SD card for a USB install needs to be a minimum of 512MB as the installer needs a 256MB partition on the SD card.