Spec below -
Minimum requirements to install all applications
Mac computer with an Intel processor
1GB of RAM (2GB or more highly recommended)
Display with 1280-by-800 or higher resolution
Mac OS X v10.5.7 or later
QuickTime 7.6 or later
DVD drive for installation
Additional recommendations
PCI Express, ExpressCard/34, USB, or FireWire-based audio interface
At least 2GB of RAM for large EXS instruments
USB musical keyboard (or suitable MIDI keyboard and interface) for instruments
Logic Node requires a Mac computer with an Intel Core processor.
Logic Pro 9.1 and MainStage 2.1 require Mac OS X v10.6.2 or later and an Intel Core 2 Duo processor to run in 64-bit mode.