Size: extreme small size (9 x 7.4 x 3.5in ) design to fit in both Mini-ITX motherboard and Flex PSU (5.9 x 3.2 x 1.6in).
Cooling system: abundant heat emission holes including front panel, are designed to solve common cooling problem of mini computer case.
Extension design: a slot of PCIE, two WIFI holes, and two USB 3.0 and HD audio.