We have upgraded our power testing equipment and now use a Yokogawa WT310 power meter for testing. The Yokogawa WT310 feeds its data through a USB cable to another machine where we can capture the test results.
To test total system power use, we used AIDA64 Stability test to load the CPU, and then recorded the results. We also now add in the power use for a server from off state to hitting the power button to turn it on and take it all the way to the desktop. This gives us data on power consumption during the boot up process.
Single socket systems can use very little power, the RS300-E8-RS4 uses very little, in fact just a tad more than a 100watt light bulb at full load. At idle we see about 70watts used while sitting on the desktop.
Our power on boot test also shows it at about 18watts with the system turned off and then settles down to about 70watts after a full boot.
These low power use numbers also have an effect of heat output of the system. Under full loads, the back of the server has a minor heat output.
These numbers scale up very well when you consider a rack of these and the costs to run.
We wanted to test what the low power saving states would be like in these tests. We set the BIOS to default settings, this has all the power saving features turned on, and we reran our tests.
This had a big effect of power usage. The normal power use now on the desktop has dropped from ~70watts down to ~50watts.
The fully loaded power use remained the same but after that was finished power use drops down to ~50watts.
Turning these features on in the BIOS can result in large power savings depend on how loaded the server is.
ASUS, well known for making top of the line desktop and enthusiast motherboards and they have used this experience to create the RS300-E8-RS4 Server.
The RS300-E8-RS4 server offers up a great package that performs well and has low power use. Features that ASUS includes are exclusive Beat thermal chokes used in the ROG line of motherboards and the included ASUS CPU air cooler aid better power efficiency and stability.
There are also plenty of storage options to pick from, built-in LSI RAID storage system gets you up and running without any extra costs. The ability to add in a PIKE card to increase storage performance is also a plus if that is needed.
We liked the included SSD bay, which you can use to add two SSD's and RAID them together and install your OS on this for greater system performance or other uses. The front of the server also has a VGA port which aids in system maintenance.
We also found that this server ran very cool and had low heat exhaust out the back. Data centers have high cooling costs and everything helps to alleviate the heat loads. Low power use was also a big plus, which lower running costs.
Installing the server into a rack was also painless with ASUS tool-less rail design. This was about the easiest rails we have installed and only took a few minutes to rack up and get a server installed into a cabinet.
We did find that the wire management inside the server was not as clean as we would like, but nothing really blocked airflow. Overall, the ASUS RS300-E8-RS4 Server performed very well and was simple to setup and use.
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