Kolink Refine & Ethernal: hinged tempered glass side panel, ARGB LED strip on the front with MB/reset buttons, PSU shroud for the clean interior, gunmetal grey brushed aluminium front panel (Ethernal has brushed aluminium effect front panel), USB 3.1 Type-C port.
Kolink Ethernal: CAKL056
Kolink Refine: CAKL055