I'm using a Gigabyte g1 Gtx 970. 
- How will I lower my power consumption?
 - Is OC Guru II really working? Specifically the "ECO" mode?
 
Specs:
i5 4670k
gtx 970
msi z97 krait
Corsair h100i
samsung 850evo 250gb
wd black 1tb
corsair 650w
Cheers! Thank you in advance guys!