I have more R9 380 & R9 380X graphic card and this is my result for 4 X R9 380 4GB NItro rig.
R9 380 4GB nitro default clock 1010/1450 @1625
I have modifed strap for all R9 380 4GB  & R9 380x (Elpida & Hynix).


I think this is great results for this card with lower power consumption

About 690hs per card with 570w, win 7 64 with 16.9.2 driver.

This is my second rig 6 x R9 380X gigabyte 980/1625-75mV power consumption 830w