This is for Sapphire Rx 580 Nitro+ Special Edition 8 GB versions.

OCModeBIOS:

PowerPlayTable is extracted directly from the OC mode BIOS

• Clock: 1430 MHz @ 65288
• Memory: 2100 MHz @1000 mV
• Min Temp: 40c
• Med Temp: 65c
• High Temp: 85c
• Target Temp: 77c
• Zero Fan: On
• Min PWM: 20%
• Med PWM: 40%
• High PWM: 60%

SilentModeBIOS:

PowerPlayTable is extracted directly from the Silent mode BIOS

• Clock: 1340 MHz @ 65288
• Memory: 2000 MHz @1000 mV
• Min Temp: 40c
• Med Temp: 65c
• High Temp: 85c
• Target Temp: 77c
• Zero Fan: On
• Min PWM: 20%
• Med PWM: 40%
• High PWM: 60%

UnderClocked:

A modified PowerPlayTable from original vBIOS.

• Clock: 1243 MHz @ 65283
• Memory: 1750 MHz @ 975 mV
• Min Temp: 27c
• Med Temp: 52c
• High Temp: 72c
• Target Temp: 60c
• Zero Fan: OFF
• Min PWM: 8%
• Med PWM: 20%
• High PWM: 30%