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Here are a few notes from a seminar we do that might help on ROI:
ROI -- Return On Investment
Calculated on a per project basis
Assessment of return on investment money for savings or gains from project implementation
For storage decision, will include:
Cost of solution (hardware and software plus implementation costs)
Savings in administration / operations
Gains in increased business, productivity, customer service etc.
Usually expressed as a % of gain with a payback period of time
ROI - Return On Investment calculation
Identify infrastructure components and their characteristics
Costs
Storage ($/megabyte)
Servers
Operational issues
Growth rates (infrastructure and staffing)
Relate operational costs and administration effort with infrastructure requirements
Quantify soft costs such as opportunity costs
There should be no difference in the method of calculation for NAS or any other storage solution. The elements should be the same.
Randy Kerns
Evaluator Group, Inc.
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