How much PSU do I really need for real?

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Palnetz

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Mar 3, 2015
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Hello!

I'm trying to build my very first Video Editing-Gaming PC. I only need the PSU.
The problem is I don't know how much PSU I need. The online PSU Calculators have different results.

Can someone tell me how much PSU I really need? And recommend what PSU to buy? Thanks!

My specs:

Case: Aerocool GT-S Black Gaming
CPU: AMD Vishera FX-8350 Black Edition 4.0GHz
MoBo: MSI 970 GAMING
GPU: EVGA GTX 970 SSC ACX 2.0 4Gb 256Bit Gddr5 (04G-P4-3975)
RAM: Crucial Ballistix Sport 16GB Dual 1600 CL9
HDD: Seagate Barracuda 1TB 7200RPM 64MB SATA
SSD: Samsung 840 Evo Series 120GB SATA
DVD Drive: LiteOn IHAS524 24x DVDwriter w/ LabelTag

Cooler: 4 x 140mm LED fan , 2 x 200mm LED fan (Note: The 1 x 140mm and 2 x 200mm is included in the case, the 3 x 140mm LED Fans are branded as Corsair AF140 LED Quiet Edition 140mm Fan)

Hopefully you guys won't get angry at me lol. Thanks!

EDIT: May I also how much PSU I need with the same specs but the GPU is the Sapphire R9 270X 4gb? Thanks!
 
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Both of those are quality units, id probably go with the Seasonic for its platinum rating
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mathard99

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Sep 24, 2014
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at the bare minimum, 500 watts will be enough, however, if you want more breathing room, go for a 650 watt psu or even a 750 watt psu if you really feel like you need that much for future upgrades
 
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Palnetz

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Can I go with the 750w even if I don't feel upgrading? What will be the problems if I did so? Just asking lol. Thanks!
 
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mathard99

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there won't be any problems with going with a 750 watt psu, just keep in mind the higher wattage you go, the more expensive the psu will be. As well as more features like 80+ platinum efficiency and fully modular cables. if you feel like you need that, I recommend this one: https://pcpartpicker.com/part/corsair-power-supply-cp9020072 i have this exact same psu inside my pc and i love it. Not even a whisper of noise comes out of that thing and it runs like a champ.
 
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Palnetz

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Will this PSU be fine?:

FSP Raider 750W 80Plus SILVER Power Supply

Thanks!
 
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Palnetz

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All right I guess... I'm gonna be choosing the cheapest 750w PSU in the tier 1 or 2 list. Any idea what it is?

EDIT: It seems that many products are not available in my country... But I saw these:

XFX Pro Series 750W xxx edition Semi Modular 80+ Bronze - ( Tier 1, Bronze )

Seasonic P-760 Platinum 760W Full Modular Power Supply - ( Tier 2, Platinum )

Which is better? Thanks!
 
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sizzling

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Oct 18, 2006
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Both of those are quality units, id probably go with the Seasonic for its platinum rating
 
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Palnetz

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This does it. Thanks!
 
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