Compact size for Mini-ITX motherboard ．Reversible design allowing the M/B ports to be presented at the front or rear of the chassis ．Rack ears can be fitted to both front and rear of the chassis ．Power supply can be swapped with the front panel location ．Tool-free 3.5" & 2.5" HDD cage design ．Supports up to 40mm PWM x 3 with anti-vibration