Хватит ли 650 Вт для такой конфигурации

[ATI HD 7970] 3072Mb GDDR5 | Gigabyte GV-R797TO-3GD
Intel® Core™ i5-3570 | 3.4GHz | Socket 1155 | 6Mb
Gigabyte GA-P75-D3 (rev. 1.0) Socket 1155, B75
8Gb (2x4Gb) 1600MHz Corsair Vengeance LP 9-9-9-24 CML8GX3M2A1600C9B
1.0Tb WD Caviar Blue WD10EZEX SATA III 7200rpm 64Mb
Thermaltake Contac 21 (CLP0600) S775/1155/1156/AM2/AM3/FM1.
ASUS DRW-24B5ST Black, OEM
Zalman Z12 Black