1 GB Nvidia 8600 GT

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® TurboCache™ Technology
Shares the capacity and bandwidth of dedicated video memory and dynamically available system memory for turbocharged performance and larger total graphics memory.

NVIDIA® SLI™ Technology:
Delivers up to 2x the performance of a single graphics card configuration for unequaled gaming experiences by allowing two graphics cards to run in parallel. The must-have feature for performance PCI Express® graphics, SLI dramatically scales performance on today's hottest games. NVIDIA SLI Technology is not available on GeForce 8400 GPUs.

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 while freeing the CPU to run the game engine and AI.

NVIDIA® ForceWare® Unified Driver Architecture (UDA):
Delivers a proven record of compatibility, reliability, and stability with the widest range of games and applications. ForceWare provides the best out-of-box experience for every user and delivers continuous performance and feature updates over the life of NVIDIA GeForce® GPUs.

OpenGL® 2.0 Optimizations and Support:
Ensures top-notch compatibility and performance for OpenGL applications.

NVIDIA® nView® Multi-Display Technology:
Advanced technology provides the ultimate in viewing flexibility and control for multiple monitors.

PCI Express Support:
Designed to run perfectly with the PCI Express bus architecture, which doubles the bandwidth of AGP 8X to deliver over 4 GB/sec. in both upstream and downstream data transfers.