| Three-Year On-Premise Cost Of Ownership |
| COMPONENTS / SERVICES |
25 USERS |
50 USERS |
100 USERS |
250 USERS |
500 USERS |
1,000 USERS |
| Hardware |
25 |
50 |
100 |
250 |
500 |
1000 |
| Server(s) |
$1,799 |
$1,799 |
$11,648 |
$11,648 |
$11,648 |
$11,648 |
| Annual server maintenance |
18% |
18% |
18% |
18% |
18% |
18% |
| Barracuda Spam Firewall |
$3,397 |
$3,397 |
$3,397 |
$3,397 |
$4,397 |
$9,097 |
| Software |
| Exchange Server 2007 |
$699 |
$699 |
$3,999 |
$3,999 |
$3,999 |
$3,999 |
| Exchange Server 2007 Standard CALs |
$1,675 |
$3,350 |
$6,700 |
$16,750 |
$33,500 |
$67,000 |
| Windows Server 2008, Enterprise Edition (includes 25 CALs) |
$3,999 |
$3,999 |
$15,996 |
$15,996 |
$15,996 |
$15,996 |
| Windows Server 2008, additional CALs |
$0 |
$999 |
$2,996 |
$8,989 |
$18,976 |
$38,951 |
| Labor |
| Initial person-hours to plan / deploy system |
15 |
15 |
20 |
20 |
30 |
30 |
| FTE staff members to manage system, Year 1 |
0.2 |
0.3 |
0.5 |
0.5 |
1.0 |
1.3 |
| FTE staff members to manage system, Year 2 |
0.2 |
0.3 |
0.5 |
0.5 |
1.0 |
1.3 |
| FTE staff members to manage system, Year 3 |
0.2 |
0.3 |
0.5 |
0.5 |
1.0 |
1.3 |
| IT staff member or surrogate, fully burdened, Year1 |
$80,000 |
$80,000 |
$80,000 |
$80,000 |
$80,000 |
$80,000 |
| Annual wage growth |
5% |
5% |
5% |
5% |
5% |
5% |
| Training |
| Initial training |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
| Ongoing training, Year 1 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
| Ongoing training, Year 2 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
$1,000 |
| SUMMARY |
| Hardware |
$5,844 |
$5,844 |
$19,238 |
$19,238 |
$20,238 |
$24,938 |
| Software |
$6,373 |
$9,047 |
$29,691 |
$45,734 |
$72,471 |
$125,946 |
| Labor |
$51,017 |
$75,660 |
$126,100 |
$126,100 |
$252,200 |
$327,860 |
| Training |
$3,000 |
$3,000 |
$3,000 |
$3,000 |
$3,000 |
$3,000 |
| 3-YEAR TOTAL COST OF OWNERSHIP |
$66,234 |
$93,550 |
$178,030 |
$194,072 |
$347,910 |
$481,745 |
| TOTAL COST OF OWNERSHIP PER USER |
$2,649 |
$1,871 |
$1,780 |
$776 |
$696 |
$482 |
| TOTAL COST OF OWNERSHIP PER USER PER MONTH |
$73.59 |
$51.97 |
$49.45 |
$21.56 |
$19.33 |
$13.38 |