Tyan ATX with 4-core Power8 (passive heatsink)
+4GB DDR3 1600MHz +500GB 3.5" HDD - $2850
http://www.tyan.com/campaign/openpower/
This is not available for purchase. Call them and try. You will be told exactly what I was, when I attempted to purchase one. These were reference design early sale systems. The next step up POWER8 system from Tyan is just shy of USD $8K, and can not be ordered in any lesser configuration.
