Limited Apple Developer Connection dual DVD release featuring Mac OS X
Snow Leopard (10.6) build 10A380 with Xcode and Snow Leopard Server
build 10A380.

Compatibility
Architecture: x86 (Intel:Mac)

Both versions require a Macintosh with an Intel processor, Westmere
microarchitecture at the latest (mid 2010).

Mac OS X 10.6 requires at least 1 GB of RAM and at least 5 GB of
available disk space.

Mac OS X 10.6 Server requires at least 2 GB of RAM, and at least 10 GB
of available disk space.