Se non sbaglio dovrebbe esistere anche una GeForce 8400 GS pci, oppure una 6200 oppure geforce fx5600/5700Le che sono anche PCI, pero' onestamente non so dove tu possa trovarle...
Edit: sarebbe questa:
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NVIDIA GeForce 8400 GS [PCI]
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SPECIFICATIONS:
- 567 MHz Core Clock
- 512MB DDR2 Memory
- 64-bit Memory Interface
- 667 MHz Memory Data Rate (effective)
- DVI-I + VGA outputs supported
- S-Video output
- HDCP Capable
- Dual 400 MHz RAMDACTs
KEY FEATURES:
- NVIDIA unified architecture with igaThread technology
- Full Microsoft DirextX 10 Shader Model 4.0 Support
- NVIDIA TurboCache Technology
- 16x full-screen anti-aliasing
- True 128-bit floating point high dynamic-range (HDR) lighting
- NVIDIA Quantum Effects physics processing technology
- One dual-link DVI output to support one 2560x1600 resolution display (at 60 Hz)
- NVIDIA PureVideo HD Technology
- PCI support
- OpenGL 2.0 support
- NVIDIA ForceWare Unified Driver Architecture (UDA)
- Built for Microsoft Windows Vista