PX8400GS 1024MB DDR3, 1024MB, 64bit, 1xDVI/ 1x D-Sub/ HDMI, DX10 ( 500/ 1000) ( FAN) .

GPU NVIDIA GeForce 8400 GS
Graphics Bus PCI Express
Memory size 512/ 1024 MB GDDR3
GPU clock 520MHz
Memory Clock 1000 MHz
Shader Clock 1230MHz
Memory Interface 64-bit
Data bandwidth ( GB/ sec.) 8.0GB
Fill Rate( billion texels/ sec) 3.6
Stream processor 8
RAMDACs ( MHz) 400
Output Dual-Link DVI-I, D-Sub, HDTV
NVIDIA® PureVideo™ HD with VP2 technology
NVIDIA® Lumenex™ Engine
NVIDIA® ForceWare® Unified Driver Architecture ( UDA)
NVIDIA® nView® Multi-display Technology
Built for Microsoft® Windows Vista™
Full Microsoft® DirectX® 10 Shader Model 4.0 Support
OpenGL® 2.1 Optimizations and Support
Package contents WinFast PX8400 GS 512MB or 1024MB DDR3 graphics card
General guide
Quick installation guide
Driver & Utilities CD-ROM
HDTV cable x1
System Requirements Window XP , 2000, 7 ( 32bit)
A PCI Express compliant motherboard with full-height free slot
Installation software requires CD-ROM or DVD-ROM drive
VGA or DVI compatible monitor
A minimum recommended 300W system power supply ( with 12V current rating of 20A)