Found the specs on the OMGubuntu website (1):

KDE Slimbook i5

Intel i5-6200U @ 2.3GHz Intel Graphics HD 520 4GB, 8GB or 16GB RAM 120GB SSD (upgradeable) Priced from €729 Full HD 13"

KDE Slimbook i7

Intel i7-6500U @ 2.5GHz Intel Graphics HD 520 4GB, 8GB or 16GB RAM 120GB SSD (upgradeable) Priced from €849 Full HD 13"

1: http://www.omgubuntu.co.uk/2017/01/kde-slimbook-laptop-specs...