3 x Sapphire 290X ~ 51 sols/s
[GPU 0] T=-1C A=-1% sols=16.829
[GPU 1] T=-1C A=-1% sols=17.005
[GPU 2] T=-1C A=-1% sols=17.040
hello you can give us your setup memory clock please because i have 4 R9 290 running at 10.7 sol his would be cool thank you