So I think AMD might have already developed a proprietary driver to overcome the 8-gpu limit.See: <a href="http://devgurus.amd.com/thread/158863http://fireuser.com/blog/8_amd_firepro_s10000s_16_gpus_achieve_8_tflops_real_world_double_precision_/Hey">http://devgurus.amd.com/thread/158863http://fireuser.com/blog/8_amd_firepro_s10000s_16_gpus_achieve_8_tflops_real_world_double_precision_/Hey</a> if you wanna have a go, I have got all the parts except the video cards...