1 compatible with large and small motherboards (large chassis);
2 good heat dissipation (do not be too sealed);
3 with a front USB3.0 interface (according to the demand to see if you still need the chassis card reader);
4 plastic chassis with a consideration of the metal chassis (metal chassis (refers to the all-metal)) (affected by static electricity is more prone to staining dust and other particles, individuals are more recommended to use plastic or non-metallic chassis).