My current set of projects allows me to dive deep into what is going on with IBM and the OpenPower Foundation. You may have heard the news about the ties with Google. Here is a recent article worth reading:
More interesting is that some companies have already rolled out their product. Have a close look at the following page. I think every person who supports Power Systems should become familiar with this content:
If you click the details link, you will be presented with a wealth of detailed information down to pin-level diagrams of the mother boards.
The overall design follows requirements that disk access is given a priority on the cool side of the rack. This means the centrally located fans pull air through the SATA drives and push that air over the heat sinks of the POWER8 chips. A USB on one side and a small Operator control panel on the other on the front of the server protrude from the flanges that secure the server in the rack, similar to systems offered by other vendors.
General purpose computing appears to be the target of this Habanero model, but with NVIDIA being part of the OpenPower Foundation, expect to see some serious plays in the HPC market.
Keep an eye on the Power Systems Redbook site for more information.