World Of Warcraft - Wrath of the Lich King System Requirements

Intel Pentium 4 1.3 GHz or AMD Athlon XP 1500+

512 MB RAM (1GB for Vista users)

3D graphics processor with Hardware Transform and Lighting with 32 MB VRAM Such as an ATI Radeon 7200 or NVIDIA GeForce 2 class card or better

Windows XP (Service Pack 3), Windows Vista (Service Pack 1)

15 GB free hard drive space

DirectX-compatible sound card or motherboard sound capability

You must have an active broadband Internet connection to play.

Dual-core processor, such as the Intel Pentium D or AMD Athlon 64 X2

1 GB RAM (2 GB for Vista users)

3D graphics processor with Vertex and Pixel Shader capability with 128 MB VRAM Such as an ATI Radeon X1600 or NVIDIA GeForce 7600 GT class card or better

Windows XP (Service Pack 3), Windows Vista (Service Pack 1)

15 GB free hard drive space

DirectX-compatible sound card or motherboard sound capability

You must have an active broadband Internet connection to play.

Recommended peripheral: A keyboard and mouse are required. Input devices other than a mouse and keyboard are not supported.
Mouse: Multi-button mouse with scroll wheel recommended.

NOTE: Mac System Requirements

OS: Mac OS X 10.4.11 or newer
Processor:
Minimum: PowerPC G5 1.6 GHz or Intel Core Duo processor
Recommended: Intel 1.8GHz processor or better
Memory:
Minimum: 1 GB RAM
Recommended: 2 GB RAM
Video:
Minimum: 3D graphics processor with Hardware Transform and Lighting with 64 MB VRAM Such as an ATI Radeon 9600 or NVIDIA GeForce Ti 4600 class card or better
Recommended: 3D graphics processor with Vertex and Pixel Shader capability with 128 MB VRAM Such as an ATI Radeon X1600 or NVIDIA 7600 class card or better