3. The all aluminum alloy body has good heat dissipation performance. It can quickly dissipate the heat generated by the memory card at high speed and prolong the service life of the hard disk. | 2. Make the hard disk stable and shockproof without vibration | 1. High end and beautiful technology black shell, easy to install and carry. | 4. Fully fit for series X / S Hard disk shell, and feel the super fast loading speed and wonderful game world.