Sorry, just realised you'd asked what GPU-Z reported - nothing stands out at all, temps low and constant after running for about an hour, board power draw: 35.5W, PCIe slot power: 31.7W, PCIe slot Volts: 9.5v.
Also just updated the GPU BIOS to 86.07.42.00.72, driver is ver. 31.0.15.3623 (Jun...