The OS X Server 4.0 Developer Preview 14S235h also out today!
OS X Server 4.0 Developer Preview 14S235h (app version 3.5.3) is now available for testing. This version is designed for OS X Yosemite and includes many new features and improvements.
Minimum System Requirements
To install OS X Server 4.0 Developer Preview 14S235h, you need one of these computers:
• iMac (Mid 2007 or newer)
• MacBook (Late 2008 Aluminum, or Early 2009 or newer)
• MacBook Pro (Mid/Late 2007 or newer)
• MacBook Air (Late 2008 or newer)
• Mac mini (Early 2009 or newer)
• Mac Pro (Early 2008 or newer)
• Xserve (Early 2009)
Your Mac needs:
• OS X Yosemite Developer Preview
• At least 2 GB of RAM
• At least 10 GB of available disk space (50 GB if you wish to use Caching Server)