Specifications

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A Principled Technologies test report 8

The datacenter in a box performance test: Comparing Dell and HP

blade solutions

Figure 8 shows the number of users each solution supported while delivering an

acceptable read latency averaging less than 20ms for end users. The number of SQL

Server users supported, in this case, is determined by assuming that a user would

generate four SQL Server transactions per minute.

Users

Percentage increase over HP solution

SQL Server

Dell solution

1,439

45.1%

HP solution

992

Exchange

Dell solution

1,500

50.0%

HP solution

1,000

SharePoint

Dell solution

1,500

49.3%

HP solution

1,005

Total across applications

Dell solution

4,439

48.1%

HP solution

2,997

Figure 8. Number of users the solutions supported. Higher numbers are better.

SUPPORT MORE USERS PER WATT

As Figure 9 shows, the two solutions consumed roughly the same amount of

power while performing the performance workloads described above, even though the

Dell solution supported as many as 1.5 times as many users. This translates to a users-

per-watt advantage of 42.7 percent for the Dell datacenter in a box solution. (See Figure

10.)

Percentage increase over HP solution

Watts used

Dell solution

1,263

4.0%

HP solution

1,214

Total number of users

Dell solution

4,439

48.1%

HP solution

2,997

Users per watt

Dell solution

1.17

42.7%

HP solution

0.82

Figure 9. Number of users per watt the solutions supported.