CLUB3D Radeon X1800XT 512MB GDDR3. Graphics processor: R520, Maximum resolution: 2048 x 1536 pixels. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR3, Memory bus: 256 bit. Interface type: PCI Express. Bundled software: Power DVD 5 MCE PowerDirector Express 3 PowerProducer 3 Medi@show E-Manual and driver CD. Minimum system requirements: CD-ROM, Power requirements: 350W, 500W in CrossFire setup., Minimum processor: Intel Pentium / AMD Athlon