The features of the 9400 GT 512-P3-N944-LR include the GeForce 9400 GT(550MHz clock) chipset, 512MB of 128-bit DDR2 memory with a 400 MHz clock with an effective rate of 800 MHz, 1400MHz Shader Clock, 16 processing cores, PCI Express 2.0 compatibility, Dual DVI-I connectors, 12.8GB per second memory bandwidth, NVIDIA unified architecture, Full Microsoft DirectX 10 support, NVIDIA PureVideo HD technology, and OPEN GL 2.1 support. Built for Microsoft Windows Vista. This product comes with a one year warranty with one additional year free with registration. Product must be registered at www.evga.com within 30 days of purchase to get the free second year of warranty.