The NVIDIA GeForce GTX 570 has a similar appearance to the GTX 580, the heatsink shroud has changed to a rounded end. The GPU of the GTX 580 is mounted on black PCB and the interface is PCI-e.
The NVIDIA GeForce GTX 570 comes with two DVI outputs and one mini-HDMI 1.4 output. The GTX 570 requires two 6-pin PCI-e power connectors.