Warning
With the latest Crimson ReLive Edition 17.7.2, you can not OC with MSI Afterburner or Sapphire TriXX.

Use Radeon WattMan - AMD

Sapphire Pulse Radeon RX 560 4GB OC GDDR5 (P / N: 11267-00-20G) 6 pin Micron
Bios mod:
1750 -> 1875, 2000
Max memory clock 2000 -> 2200
AMD radeon wattman settings:
Gpu clock -> 1163 (- 10.5%)
Memory clock -> 2140
Fan -> auto; Temp 69 ° C
Voltage: auto
42 w

ETH  ~ 14.2Mh / s stable using Claymore miner 9.7