Playing 720p HD video, an iTunes LP or iTunes Extras requires a 2.0GHz Intel Core 2 Duo or faster processor 1GB of RAM and an Intel GMA X3000, ATI Radeon X1300, NVIDIA GeForce 6150 or better.Playing standard-definition video from the iTunes Store requires an Intel Pentium D or faster processor, 512MB of RAM and a DirectX 9.0–compatible video card.A PC with a 1GHz Intel or AMD processor with support for SSE2, and 512MB of RAM.