Hey there guys, I need some advice on this build. Is there anything you'd replace/recommend? I'm slightly worried that the power supply might not be sufficient but I'm not sure. Any help you can give would be great 
Monitor, keyboard, mouse and OS aren't required.
Motherboard:
msi-z77a-g41-intel-z77
Processor:
intel-core-i5-3570
Graphics Card:
2gb-evga-gtx-660-superclocked
Memory:
16gb-(2x8gb)-corsair-ddr3-vengeance
1st Storage:
64gb-sandisk-ultra-25-ssd
2nd Storage:
1tb-seagate-st1000dm003-barracuda
PSU:
550w-cooler-master-gx-rs-550-acaa
Case:
zalman-z9-u3-mid-tower-black
Monitor, keyboard, mouse and OS aren't required.Motherboard:
msi-z77a-g41-intel-z77
Processor:
intel-core-i5-3570
Graphics Card:
2gb-evga-gtx-660-superclocked
Memory:
16gb-(2x8gb)-corsair-ddr3-vengeance
1st Storage:
64gb-sandisk-ultra-25-ssd
2nd Storage:
1tb-seagate-st1000dm003-barracuda
PSU:
550w-cooler-master-gx-rs-550-acaa
Case:
zalman-z9-u3-mid-tower-black
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