GeForce® 8400GS Feature:
NVIDIA® unified architecture: Fully unified shader core dynamically allocates processing power to geometry, vertex, physics, or pixel shading operations, delivering up to 2x the gaming performance of prior generation GPUs.
GigaThread™ Technology: Massively multi-threaded architecture supports thousands of independent, simultaneous threads, providing extreme processing efficiency in advanced, next generation shader programs.
Full Microsoft® DirectX® 10 Support: World's first DirectX 10 GPU with full Shader Model 4.0 support delivers unparalleled levels of graphics realism and film-quality effects.
NVIDIA® Lumenex™ Engine:    Delivers stunning image quality and floating point accuracy with ultra-fast frame rates.
        -> 16X Anti-aliasing Technology Lightning fast, high-quality anti-aliasing at up to 16x sample rates obliterates jagged edges.
         -> 128-bit Floating Point High Dynamic-Range (HDR) Lighting, Twice the precision of prior generations for incredibly realistic lighting effects-now with support for anti-aliasing.
NVIDIA® Quantum Effects™ Technology: Advanced shader processors architected for physics computation enable a new level of physics effects to be simulated and rendered on the GPU, all the way freeing the CPU to run the game engine and AI.
NVIDIA® PureVideo™ HD Technology: The combination of high-definition video decode acceleration and post-processing that delivers unprecedented picture clarity, smooth video, accurate color, and precise image scaling for movies and video. Feature requires supported video software. Features may vary by product.
PCI Express 2.0 GPU: 8400GS offering a future proofing bridge to tomorrow s most bandwidth-hungry games and 3D applications by maximizing the 16GB/s PCIe 2.0 bandwidth( twice that of first generation PCIe). GeForce 8400GS is Backward compatibility with existing PCIe main boards for the broadest support.
Ultimate Blu-ray and HD DVD movie Experience: GeForce 8400GS combines ultimate gaming enjoyment with a superior entertainment experience. Featuring the revolutionary second generation NVIDIA PureVideo™ HD engine Delivers the astounding Blu-Ray and HD DVD movies picture quality on a PC with 100% offload of H.264 video decoding from the CPU with significantly reduced power consumption.
OpenGL® 2.1 Optimization and Support: Ensures top-notch compatibility and performance for OpenGL applications.
NVIDIA® PureVideo® HD Technology: The combination of high-definition video decode acceleration and post-processing that delivers unprecedented picture clarity, smooth video, accurate color, and precise image scaling for movies and video.
HDCP Capable: Designed to meet the output protection management (HDCP) and security specifications of the Blu-ray Disc and HD DVD formats, allowing the playback of encrypted movie content on PCs when connected to HDCP-compliant displays.

Gainward’s award Winning  Technology  and High-Performance  / Wide-Bandwidth™ hardware design powered by 256MB DDR2 version of 8400GS graphic card.  Bliss 8400GS 256MB, Equipped with s 450MHz on the core clock and a super fast 400MHz (DDR 800) MHz on the memory clock leads to an ultimate performance for value, in addition the massive 256MB /128bits width memory interface size can undoubtedly allow the graphics processors to achieve higher resolutions without running into memory capacity bottlenecks in running applications.
Supports two monitors simultaneously, enabled by the NVIDIA nView™ Multi-Display Technology for office applications, 3D gaming and professional applications such as CAD, DTP, graphics animation or graphics video editing.
Smart Control Utility “ExperTool™”:Reliable and easy to use the world’s first Desktop utility in the market for Nvidia 8000 and 9000 series core/memory/shader clock setting with Smart fan control feature for GPU temperature monitoring, Over-heat alert, Over-heat clocking down, Over-heat GPU power down features gives a easy desktop management.