Rig 3*R9 280x Vapor-x (Elpida) = has 1080 h/s
wtf(((
Maybe voltage or memory must be up?
Now 1.200v, engine 1070, memory 5500
wtf(((
Maybe voltage or memory must be up?
Now 1.200v, engine 1070, memory 5500
Believe this is status quo for 280x elpida. 375h/s on gigabyte 280x
. Sux I know, but your not the only one suffering 
it was normal I'm use 280x dual-x 1.15v clock 1050 mem 6000 use 3 card 1050h/s about 350 h/s per card too