Chinese tech site MyDrivers has some early details on Zotac's upcoming premium-grade Nvidia GeForce GTX 580. Set to debut this June at Computex Taipei, the to be due on May 17. The non-Titanium card is expected to rest between the GTX 550 Ti and GTX 560 Ti with 336 CUDA cores, 56 TMUs, a 256-bit interface and 1GB of GDDR5 memory for ~$199.