Technical data

White Paper ⏐Performance Report PRIMERGY TX150 S6 Version: 5.1, November 2008

As you can see in the diagram above not only the right choice of processors has a significant influence on power con-

sumption but other configuration details as well. Doubling the memory for example from 2 x 2 GB to 4 x 2 GB increases

the power consumption at all load levels by about 6-7 watts on an average. Adding three additional hard disks to the

configuration increases the power consumption by about 20-24 watts per load level on an average. When running the

benchmark with all available power management features disabled in the BIOS and in the OS the PRIMERGY TX150 S6

consumes up to 15 watts more in the range of active idle to 50% load. The PRIMERGY TX150 S6 is available with two

different types of PSUs. The first is a single standard PSU and the second are redundant PSUs. By replacing the stan-

dard PSU with one single redundant PSU the power consumption increases by up to 30 watts. This is explained by the

fact that redundant power supplies need additional electronics (e.g. power backplane) for handling the redundancy and

hot-plug functionality and the other important fact is that the redundant PSUs have a different efficiency compared to

standard PSUs. When enabling full redundancy by adding the second redundant PSU the PRIMERGY TX150 S6 con-

sumes another 25-30 watts more. The reason is that the PSUs share the load, i.e. each of them gets only half the load,

and thus runs in a lower load range at a lower efficiency.

The final energy efficiency diagram shows the performance to power ratio (power efficiency) of all the previously men-

tioned configurations. It gives an overview of the benchmark result in overall ssj_ops/watt (left y-axis) each configuration

achieved and how much power in watts (right y-axis) was consumed while running the benchmark.