How big PSU do I need?

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teleman12

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Aug 1, 2014
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I am running an

- Intel CPU Core i7 4790
- Motherboard Gigabyte H87-HD3 (1150/H87/DDR3)
- Corsair RAM DDR3 16GB (2x8) 1600MHz VE LP
- VGA MSI N760 TF 4GD5/OC 4GB
- 2 X SATA 500GB
- 1 X SSD Adata 125GB

Anyone please help
Thanks
 
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JuniorPCBuilder

JuniorPCBuilder

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Apr 8, 2014
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Probably around 500 Watts, I would get a 620 Watt SeaSonic PSU, As the extra 100 watts will allow for some extra headroom.

Just a word of advice, Corsair PSUs have bad capacitors and they're overall not well made.
 
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teleman12

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Aug 1, 2014
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I have a thermaltake 550W tougtpower
I found a 750W PSU at a good price, but not from any big manufacturer like SeaSonic or Corsair..
What do you suggest, stick on the 550W or take the 750W ?
 
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teleman12

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Aug 1, 2014
22
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4,510
My PSU is the Thermaltake Toughpower 550W ATX 12V 2.0 (P/N: W0096)
I don't know if it has a 30 amps + 12v rail.
Can you please check it and tell me if its ok?
Or should I go for a bigger one?
 
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