Which PSU is better? They're the same price.
G2: https://www.amazon.com/EVGA-SuperNOVA-Crossfire-Warranty-120-G2-1000-XR/dp/B00CGYCNG2?th=1&psc=1
GS: https://www.amazon.com/EVGA-SuperNOVA-Crossfire-Warranty-120-G2-1000-XR/dp/B00SOXNKAM?th=1&psc=1
G2: https://www.amazon.com/EVGA-SuperNOVA-Crossfire-Warranty-120-G2-1000-XR/dp/B00CGYCNG2?th=1&psc=1
GS: https://www.amazon.com/EVGA-SuperNOVA-Crossfire-Warranty-120-G2-1000-XR/dp/B00SOXNKAM?th=1&psc=1