Sapphire Pulse Radeon RX 560 4GB OC GDDR5 (P / N: 11267-00-20G) 6 pin Micron
Bios mod:
memory strap timing from 1625 -> 1750, 1875, 2000
Max memory clock 2000 -> 2200
AMD radeon wattman settings:
Gpu clock -> 1144 (- 12%)
Memory clock -> 2150
Voltage: auto

http://i.imgur.com/Xu5vDEZ.jpg
http://i.imgur.com/1m4VB8H.png