Is Crosair Gs700 watt enough for 2 way Sli Gtx 980

Recommended minimum power for 2 980's in SLI is 750 watts with 4 6-pin PCI-E power connectors (leads). The GS 700 only has 2 such power leads, so NO it should not be used to SLI 980's.
Recommend this instead, better PSU all-around:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817438028

EVGA SuperNOVA 750 B2 80 PLUS BRONZE Certified 750W Active PFC ATX12V v2.31/EPS 12V v2.91 5 Year Warranty 110-B2-0750-VR SLI Ready CrossFire Ready Modular NEW 4th Gen CPU Certified Intel 4th Gen Ready
Received 9 out of 10 and Recommended Award from JonnyGURU