Tried 3 1700+`s JIUHB 0302 `9` green *all identical*:

1) 2450 mhz 2,15V rock stable , 2 ghz 1,6V.
2) 2420 mhz 2,15V rock stable , 2150 1,75V , 2 ghz 1,6V.
3) 2380 mhz 2,15V rock stable , not rock stable with 2 ghz and 1,6V

Cooling: plain watercooling 20C h20