Nothing drastically different from the outside, but Streacom's ALPHA versions of their cases offer significant improvements in internal design and performance, including :
✓ Higher precision extrusion
✓ New anodizing process
✓ Uprated heatpipes
✓ More storage options
✓ Dedicated optical drive tray
✓ Optimized venting to improve convection
✓ Refined power button (white power LED)
✓ Front / side USB 3.0 ports
✓ Improved documentation
✓ New packaging
Source: TechPowerUp
