The Obsidian Series 350D Micro ATX PC case is designed for building compact high-performance systems with Micro ATX & Mini ITX motherboards. The compact size is ideal if space is limited, but theres plenty of room inside for liquid CPU cooling, dual hard drives, dual SSDs, & SLI/ Cross Fire ready. Like all Obsidian cases, the 350D is designed for fast & neat builds, with tool-free access & drive installation. Smart features like a native 2.5 SSD cage make the most of its small size, & the cooling-focused interior has five fan mounting points, with room for two 240mm radiators. Micro ATX & Mini ITX motherboard compatible Brushed Aluminum Front Panel Elegant, flush mounted windowed side panel SLI / Cross Fire ready Five Expansion Slots Two 2.5, two 3.5, & two 5.25 tool free drive bays. Modular 2.5 SSD cage Front 140mm & rear 120mm cooling fans. Room for up to five fans total. Direct Airflow Path from front cooling fan to GPUs. Maximum ATX PSU length 180mm Maximum GPU length 380mm Maximum CPU Cooler Height 160mm Room for two 240mm radiators (top, front) Dual USB (Universal Serial Bus) 3.0 ports