(first build) How many watts do I need?

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aNickthatyoudontknow

Honorable
Jun 2, 2013
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My planned gaming rig.
Yes, I do plan to overclock and no, I don't plan to SLI.
There are two GPUs(a 770 & a 780) in the wishlist because my budget might make me unable to get a GTX 780.

the rig:
Mushkin Enhanced Blackline 16GB (4 x 4GB)
EVGA ACX GTX 780 OR EVGA SuperClocked ACX GTX 770
Intel Core i5-4670K
SAMSUNG 840 Series MZ-7TD250BW(x1)
Seagate Barracuda ST1000DM003 1TB(x1)
a Blu-ray burner(x1)
COOLER MASTER 200mm MegaFlow 200 Silent Fan(x1
COUGAR CF-V12HPB(120mm x2)
Phanteks PH-TC14PE_BK 140mm UFB CPU Cooler(140mm x2 included)
 
Solution
W
The i5-4670K has a TDP at 87W (with OC it can be 200+, the GTX 780 has 250W, the SSD,HDD and the Blu-Ray will consume about 35W, the mobo with the rams and the coolers will consume about 50W. Thats ~600W. So you should buy a PSU from 800 Watts but i recommend higher wattage beacuse of the efficiency. A higher wattage (over 1000 watts) and quality PSU (Corsair,Seasonic,FSP,Cooler Master, Silverstone etc.) will be more efficient at low power consumption than a lower wattage PSU. Such as a 800W PSU at 600W load will have ~80% efficiency, and the 1000+W PSU will have 90%+ at this load. And you should choose a Haswell compatible PSU.
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Gam3r01

Gam3r01

Titan
Jan 12, 2013
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Well we cant view your build but since you say two gpus i would say anywhere from 800 to 1000 watts will do you fine. However much you spend is up to you, the higher the better so you dont have to upgrade later but 800 should cut it. Anything from SeaSonic or Corsair would be good.
 
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aNickthatyoudontknow

Honorable
Jun 2, 2013
6
0
10,510


Thanks for responding but, I linked my build in "My planned gaming rig." and stated "I don't plan to SLI.". Though in your defense I didn't explain the other part clearly enough so, I will make it clear that I want a 780 but might buy a super-clocked 770.
 
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Writz

Honorable
Jun 3, 2013
1
0
10,520
The i5-4670K has a TDP at 87W (with OC it can be 200+, the GTX 780 has 250W, the SSD,HDD and the Blu-Ray will consume about 35W, the mobo with the rams and the coolers will consume about 50W. Thats ~600W. So you should buy a PSU from 800 Watts but i recommend higher wattage beacuse of the efficiency. A higher wattage (over 1000 watts) and quality PSU (Corsair,Seasonic,FSP,Cooler Master, Silverstone etc.) will be more efficient at low power consumption than a lower wattage PSU. Such as a 800W PSU at 600W load will have ~80% efficiency, and the 1000+W PSU will have 90%+ at this load. And you should choose a Haswell compatible PSU.
 
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