Secondary Storage

• HDD VS SSD: HDD - Cheaper, High capacity, Longer read/write, Make noise. SSD- Faster, Portable, Lightweight, Silent

  
• Secondary data is non-volatile, the data is stored permanently at higher capacites than primary.
• Secondary Storage has higher capacity than primary storage but is much slower.
• Solid State Drives have no moving parts and are silent and portable.
• Hard Disk Drives store data magnetically and are cheaper with higher capacity.
• Optical Discs are cheap and portable; but they easily scratched and declining due to online streaming and not all devices have optical drives.