ATI CrossFireX Technology
Expand and conquer! ATI CrossFireX is the ultimate scalable Multi-GPU solution that allows up to 4 graphics units installed in a system using AMD’s motherboard.

- More horsepower for game playing 
- Allows gamers to scale performance according to their budget 
- Multi-display support (up to 8 monitors) 
- Easy plug-and-play upgradeability for even better 3D performance
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DirectX 10.1 Technology 
Microsoft DirectX 10.1 is the latest application programming interface from Microsoft that unlocks the state of the art in GPU technology, represented by the ATI Radeon HD 4300 series. Key features include an updated shader model, improved anti-aliasing support, more flexible data access, and tighter specifications for better application compatibility. These features will enable exciting new techniques, such as real-time global illumination, that will define the future direction of interactive 3D graphics. (requires Windows Vista SP1and 10.1 compatible hardware for full features)

AVIVO HD 
ATI Avivo HD is AMD’s new reference for advanced HD image processing, delivering cool and quiet full-spec HD disc playback with hardware-based Unified Video Decoding (UVD) capability*, built-in HDMI with multi-channel HD surround audio, and support for high-quality connectivity with multiple HDTVs and displays.

Shader Model 4.1 Technology
Get your box geared up for the future of games with blazing fast shader performance and watch your characters sweat with Shader Model 4.1

Unified Video Decoder Technology (UVD)
Connect your PC to your home theater and start watching HD content from your computer using new ATI Radeon HD 4600 series graphics cards. The ATI Radeon HD 4600 Series is designed to decode and playback Blu-ray and HD DVD formats using dedicated hardware within the GPU.

Windows Vista - The Ultimate Experience
The cards GPUs provide total support for the Microsoft Windows Vista operating system and improve the performance of the Windows Aero graphical interface. You will be amazed by the dazzling 3D visual effects and have peace of mind that the ATI Catalyst software and drivers are designed and thoroughly tested to ensure full compatibility and stability to keep you up and running.

Blu-Ray and HD DVD Support
Features hardware HD video processing and HDMI with built-in 5.1 surround audio ATI Avivo HD technology delivers sharp images and vibrant color fidelity from 1080p playback of Blu-ray and HD DVDs movies.