Difference between SSD and HDD.

•  SSD  (Solid state drives )




1. SSD is   expensive , roughly $0.20 per gigabyte.


2. SSD typically not larger than 1TB  for  notebook size drives ;  4TB max  for desktops. 


3. It implements the basic constrained network topologies. This is used to  restrict  mobility movements.



4. SSD takes time  around 10-13 seconds average bootup time.


•HDD ( hard disk drives)




1. HDD available  only around $0.03 per   (very cheap) gigabyte. 


2. HDD typically around 500GB and 2 TB maximum for notebook size  drives; 10TB max for desktops.


3. In the case of  IPv6 , it provides the embedded interoperability  and mobility capabilities for the networking devices.


4. Bootup timing of HDD is around 30-40 seconds.

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