NEW INFRASTRUCTURE NEEDED
Server Nodes Required[0]  
 
HARDWARE COSTS
Server Hardware[1] R
Storage Upgrade[2] R
Switch/Peripherals R
Total Costs R
 
SOFTWARE COSTS
MS Windows 2008R2 Server Std x64[3] R
Additional MS Windows 2008 CALS R
MS Exchange 2010 Server R
Additional MS Exchange CALS R
Backup Software per Node[4] R
Total Costs R
 
MANAGEMENT COSTS (ONGOING)
Number of Technical Staff to maintain  
Management[5] R
Total Costs R
 
MONTHLY OPERATIONAL COSTS per SERVER
Space/Power/Cooling[6] R
Bandwidth/IP Connectivity[7] R
Total Costs per Server R
 
FIRSTNET HOSTED EXCHANGE COSTS
  Number of User   Total Price
Hosted Exchange Basic 250MB R
Hosted Exchange Basic 500MB R
Hosted Exchange Basic 1GB R
Hosted Exchange Basic 2GB R
Hosted Exchange Standard 250MB R
Hosted Exchange Standard 500MB R
Hosted Exchange Standard 1GB R
Hosted Exchange Standard 2GB R
Hosted Exchange Standard 4GB R
Blackberry R
Example Hardware Cost
Cost of Switches / Peripherals R
2-Way Six Core - 32 GB RAM R
Cost of storage upgrade R
Number of on premise exchange CALS required  
Number of on premise windows CALS required  
Assumptions
[0] Based on Consolidated Mailbox + Customer Facing Nodes
[1] Hardware based on 2-Way Six Core
[2] Assumes existing storage can be upgraded and only incurrs cost of expansion
[3] Licences for MS calculated on Microsoft Open Licence Scheme
[4] Cost of Backup Solution to Image each server
[5] Cost of a MSCE Exchange Person (R30k) spending 20 Hours per Month per Node
[6] Electricity Costs based on 450w Server, cost of R0.66kw/h. Cooling Equal to Power
[7] 1 Mbps for each 5 Users @ R60 per Mbps/Month
TCO Saving Summary
2 Year Financial Saving/ROI R
TCO Total Cost of Ownership Comparison
Time (Months) 0 3 6 9 12 15 18 21 24
Hosted Exchange R R R R R R R R R
On Premise/In-house Exchange R R R R R R R R R
Hosted Exchange Saving R R R R R R R R R