Upgrade options for storage
Overview presented by:
Consider your storage needs
What is most important for you?
Is it: 
capacity?
the format?
the connection?
24/7 reliability?
speed of reading/writing?
Hard Disk Drives
These are mechanical with moving parts
Available with very large capacities
Fit 3.5 and 2.5 inch bays 
Tried and tested technology 
Read/write access relatively slow 
Suitable applications for HDDs 
Home office 
Small business environment 
Enterprise businesses 
Data centres 
DVR
Solid State Technology
Commonly called SSD
Has no moving parts
Can have extremely fast read/write speeds
Reliable for 24/7 working
SSD formats
SATA connections will fit in 2.5 inch bays and are used in desktop or laptop computers
PCIe NVMe M.2 format needs special connections 
M.2 slots becoming available in high end laptops
Need for speed
SATA connected 2.5 inch disk drives usually have similar read/write speeds to HDDs
PCIe connected M.2 drives can reach much higher speeds
Fourth generation PCIe drives take read/write speeds up even further
Suitable applications for SSD storage
Home office 
Small business environment 
Enterprise businesses 
Data centres 
DVR
Sales analysis 2020 - 2021 
HDD sales are going down
SSD sales are increasing
New, specialised formats growing in popularity