Direct inserting all 3.5" or 2.5".
Patent silicon Anti-vibration for HDD.
Bright and staring LED indicator at both side. (PWR & Access)
Patent tool free design for HDD replacemen.

2.5" external SATA HD  enclosure 
Patent tool free design for HDD replacement
Patent silicon Anti-vibration for HDD
Bright and staring LED indicator at both side (PWR & Access)

2.5" external SATA HD  enclosure  (UPS For HD and mp3 player)

2.5" Network HD  Enclosure NAS !!