I recently picked up a Diamond Stealth S540 Xtreme and it's detected with a different GPU, the Savage4 Pro-M 86C39 6 and not the 86C39 8 . POST shows Xtreme, same with software and driver. Clocks are 160/166 MHz. I'm confused. This is an identical card, I got mine for a lot less. https://www.ebay. …