Two used PCI e GTX+ 9800 video cards with SLI bridge. Working pull from my system. Never ran overclocked. 

Brand
PNY
Model
VCG98GTXPXPB

Interface
PCI Express 2.0 x16

Chipset Manufacturer
NVIDIA
GPU
GeForce 9800 GTX+
Core Clock
738MHz
CUDA Cores
128

Memory

Effective Memory Clock
2200 MHz
Memory Size
512MB
Memory Interface
256-Bit
Memory Type
GDDR3

3D API

DirectX
DirectX 10
OpenGL
OpenGL 2.1

Ports

DVI
2 x DVI

Details

RAMDAC
400MHz
Max Resolution
2560 x 1600
RoHS Compliant
Yes
3D VISION Game Ready
Yes
SLI Support
3-Way SLI
Cooler
Single Fan
System Requirements
Two 6-pin supplementary power connector A minimum 500W or greater system power supply (with 12V current rating of 26A)
Power Connector
2 x 6-Pin
Dual-Link DVI Supported
Yes
HDCP Ready
Yes