Supported RAM r815 config - Dual Rank against Quad Rank

Hello

I'm hoping to find info a bit newer on the supported RAM for a r815 configurations.

The latest info that I could find are this Date 2010 dated doc here:

www.dell.com/.../Poweredge-R815-Technical-Guidebook2010.pdf

According to this document, there is no supported RAM configurations employing Dual Rank 16 GB DIMMS.  Specifically, note the configurations GB 256 and 512 all call for dual rank DIMMS of 8 GB or 16GB quad rank DIMM.

I want to know is this:

Is it a hardware limitation that persists today or was this sheet a function of the type and size of the DIMM modules available at time of publication?  Go QR DIMM means drop the speed of RAM at 1 066 MHz, so there is a penalty to pay for the use of QR DIMM in any config file.  Can anyone tell me for sure if this limitation still exists?

Thank you for your time!

TheITSource.

While the R815 did not actively support 16GB dual Rank DIMMS at the time of its release, it currently supports them. It seems that the support has been added for the 16 GB dual rank DIMMS by the end of 2011.

One thing I would check before trying to install, it's that the R815 BIOS and iDrac are up-to-date and current.

Tags: Dell Servers

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