Disk Enclosures or Casings are intended to use Internal Hard Disk or Optical Drives like a movable Independent disk drive connectible via USB port. Disk Enclosures are nothing but a metallic hollow box, inside which an Internal Hard Disk, Optical Drive can sit and a small circuit with cable interface to connect the native data bus of Internal disks with USB cable with a computer and a voltage reducer to make the AC home power supply to 12V – 5V low Amperage direct current.
Disk Enclosures or Casings are a just way to make specially an Internal Hard Disk or Optical Drive to usable External Hard Disk or Optical Drive. But the total system, specially for Hard Disks with Disk Enclosures as one system can not be compared with an dedicated external hard disk on the stability, shock proof designs etc.
Parts of Disk Enclosures
- External power supply with reducer to be attached externally with these Disk Enclosures
- Casing or chassis with screw holding punched out points to stabilize the Internal device inside Disk Enclosures
- A small Circuit with cables to connect the External Hard Disk or Optical Drive inside these Disk Enclosures
- Backside of Disk Enclosures usually consists of a power switch, a LED indicator, Power cord socket, USB socket, sometimes a cooling fan
Further Notes on Disk Enclosures
Quality of these Disk Enclosures varies with manufacturer. The models with a Fan are better to choose as the lifespan of Internal hard disk will be reduced without a fan inside an enclosed space typical with these Disk Enclosures, with over heating issues.
Disk Enclosures are just a way to somehow use an otherwise good Internal Hard Disks, Optical Drives of rejected / not used Desktop PCs. An Internal Hard Disk with such Disk Enclosures are never equivalent to an factory designed External Hard Disks and are more prone to damage as the movement within smaller Disk Enclosures not getting minimized like a typical Destop PC’s casing.
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