My options: (brazilian prices are too high, yeah)
G.skill Ripjaws X (2x4gb) 2400mhz 11-13-13-31 1.65V - BRL 298,00
G.skill Sniper X (2x4gb) 2400mhz 11-13-13-31 1.65V - BRL 319,00
G.skill Ares (2x4gb) 2400mhz 11-13-13-31 1.65V - BRL 319,00
G.skill Ripjaws Z (2x4gb) 2400mhz 10-12-12-31 1.65V - BRL 370,00
G.skill Trident X (2x4gb) 2400mhz 10-12-12-31 1.65V - BRL 369,00
Corsair Vengeance Pro (2x4gb) 2400mhz 11-13-13-31 1.65V - BRL 389,00
I can pay max BRL 400,00. Which one is better?