Ultracompact design: measures 9 x 7.4 x 3.5 inches, engineered to fit both a MiniITX motherboard and a Flex PSU (5.9 x 3.2 x 1.6 inches). Effective cooling: features abundant heat emission holes, including a front panel, to address common cooling challenges in small form factor builds. Flexible expansion: includes a PCIe slot, two WiFi holes, and two USB 3.0 ports plus HD audio for easy connectivity and upgrades. CPU cooler height guidelines: height limits depend on drive configuration Up to 75 mm tall when installing a M.2 hard disk Up to 60 mm tall when placing a 2.5' SSD on Up to 45 mm tall when placing a 3.5' HDD on Use scenarios Ultracompact home theater PC: pair a MiniITX motherboard with a M.2 drive, take advantage of frontvented cooling and the compact form factor for a living room media system. Small office or edge PC: use the PCIe slot, two WiFi holes, and USB 3.0 plus HD audio to create a compact workstation or gateway with easy network and peripheral connectivity. Tiny storage or micro workstation: install a mounted 2.5' SSD or 3.5' HDD within the specified height limits to build a spacesaving small footprint NAS or compact desktop.