最進要組電腦電源不知用哪顆好??

最近要組電腦配備如下

CPU.......【超微PhenomⅡ-X3-720】...........1 * 4500 = 4500
主機板....【技嘉GA-MA770T-UD3P】............1 * 3198 = 3198
記憶體....【創見JETRAM-2GB-1333】...........2 * 950 = 1900
顯示卡....【微星N260GTX-T2D896-OCSP】.......1 * 7100 = 7100
硬碟......【WDWD3200AAKS】..................1 * 1490 = 1490
光碟燒錄..【先鋒DVR-117BK(黑)】.............1 * 820 = 820
電源......【種子SEED-HP-500-G12S】..........1 * 2690 = 2690
機殼......【CoolerMasterElite-335（RC335）】1 * 1350 = 1350




電源......【種子SEED-HP-500-G12S】..........1 * 2690

電源 技嘉Superb 720/(足610W) 1 * 2890 =

這兩顆的選澤哪顆比較好?