If you want to take Chris Exel table to adjust the fan curves, you can have a look at the post . I once read the Nitro + data and entered it on the sheet. You have the Special Edition, but I think it's similar.
Thanks for edit Sapphire Nitro+. Yeah, It worked also for Special Edition, but not 220w, 240w. lg777 You can also use MorePowerTool (Windows) to get bios profile and apply them into excel sheet