A housing (1) for a passively cooled computer (2), which is to be accommodated in the housing, the housing (1) including: a housing cover (3) and a housing floor (4), whereby at least the housing cover (3) includes a passive cooling member (3a), and an insulator member (5) arranged between the housing cover (3) and the housing floor (4) to prevent a thermal flow between the housing cover (3) and the housing floor (4).