The classic M-ATX structure (dimensions 420 x 201 x 365mm) is compatible with M-ATX and ITX motherboards. Small and compact but with plenty of capacity. Utilizing honeycomb front air intake design, supports 120mm radiator/fan in the front, pre-installed 120mm black fan in the rear, Matrexx 30 SI guarantees your performance and aesthetic needs. Classical steel side panel provides an elegant and minimalist visual.