请教一个电脑的电源
买了个二手电脑。配置如下,650w电源够吗?
-i7 920 2.66Ghz
-Coolermaster Hyper 212+ CPU heatsink
-Gigabyte EX58-UD3R ATX LGA1366 X58 DDR3 2PCI-E 2PCI SATA2 RAID Sound GLAN CrossFireX Motherboard
-G-skills 2GX3 DDR3 1600Mhz
-Sapphire Radeon HD 5870 1 GB GDDR5
-Seasonic S12 Energy plus
-Coolermaster CM 690 case
-DVD-RW dual-layer burner
-**Seagate 500GB 16mb cache Hard Drive