Storage devices and media

Storage devices and media

1. DVD

   • Advantages
     • Higher storage than CD, Cheap to manufacture, Universal format, Can be dual layer
   • Disadvantages
     • Lower storage than many other media,Fragile

2. CD

   • Advantages
     • Cheap to manufacture, Easily transported, Cheap and popular devices
   • Disadvantages
     • Slow read-write speed,Low storage capacity, Fragile

3. Blue-ray

   • Advantages
     • Cheap to manufacture,Highest popular storage capacity, Enough to store HD movies
   • Disadvantages
     • Quickly overtaken by streaming media, Fragile

4. HDD

   • Advantages
     • Cheap per MB storage, Fast read-write speed, Long lasting, Large storage capacity
   • Disadvantages
     • Moving parts, Need to avoid magnetic field, Not as large as SSD, Slow read-write than SSD

5. SSD

   • Advantages
     • No moving parts, Compact size, Very fast read- write speed
   • Disadvantages
     • Expensive per MB,Lower capacity than HDD

6. Flash- storage

   • Advantages
     • Small compact,Fast read-write over USB 3.0
   • Disadvantage
     • Lower storage capacity compared to physically larger drives