iTunes 8.1.1 for Mac - Technical Specifications
Hardware:
Mac computer with an Intel, PowerPC G5, G4, or G3 processor
Screen resolution of 1024x768 or greater
Playing videos from the iTunes Store requires a Mac computer with an Intel, PowerPC G5 or 1.0GHz PowerPC G4 or faster processor
Playing HD-quality videos from the iTunes Store requires a 2.0GHz Intel Core 2 Duo or faster processor
512MB of RAM; 1GB is required to play HD-quality videos
Playing videos also requires at least 16MB of video RAM
A broadband Internet connection to use the iTunes Store
An Apple combo drive or SuperDrive to create audio, MP3, or back-up CDs; some non-Apple CD-RW recorders may also work.
An Apple SuperDrive to back up your library to DVDs; some non-Apple DVD-RW drives may also work.
Software:
Mac OS X version 10.4.10 or later
QuickTime 7.5.5 or later is required
200MB of available disk space
iPod and iPhone:
Syncing purchased videos requires iPod nano (3rd generation), iPod classic, iPod (5th generation) with software version 1.2 or later, iPod touch, or iPhone
Transferring rented movies requires iPod nano (3rd generation) and iPod classic with software version 1.1 or later or iPod touch and iPhone with iPhone software version 1.1.3 or later
Syncing ringtones requires iPhone software version 1.1 or later
Purchasing or syncing applications require an iPhone or iPod touch with the iPhone 2.0 Software Update or later
Purchasing from the iTunes Music Store for iPhone or iPod touch requires iPhone software version 1.1.1 or later
Syncing iPod Games requires iPod nano (3rd generation), iPod classic, or iPod (5th generation) with software version 1.2 or later. Some iPod Games may not be compatible with iPod nano (3rd generation) and iPod classic
Nike + iPod:
Nike + iPod requires a Nike + iPod Sport Kit or Sensor, a compatible iPod, and Nike+ ready shoes or compatible gym equipment
Nike + iPod is compatible with iPod nano and iPod touch (2nd generation). iPod nano (1st generation) must have software version 1.2 or later
To see your complete workout history on nikeplus.com, an Internet connection and a free Nike.com account are required
Apple TV:
Renting or purchasing using Apple TV requires Apple TV software version 2.0 or later
HD movies from the iTunes Store are designed exclusively for Apple TV and may not be transferred to iTunes
AirPort Express with AirTunes:
Playing your music with one or more AirPort Express base stations requires AirPort Express software version 6.3 or later
AirPort Express with AirTunes requires an AirPort or AirPort Extreme card and a compatible stereo system or powered speakers