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Is 620 Watt PSU enough for a Radeon HD 7770 CrossFire along with an AMD FX 8350?

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September 1, 2013 5:23:32 AM

I was wondering about my PSU, how much Watt does my system actually require?

These are my Rigs:-


a) AMD FX 8350

b) ATI/AMD Radeon HD 7770 (Multi-GPU)

c) Gigabyte GA-78LMT-USB3

d) G.Skill RipjawsX DDR3 8 GB (2 x 4 GB) (F3-12800CL9D-8GBXL)

e) Deepcool XFAN120L/R

f) Deepcool ALTA 9

g) WD Caviar Green 1 TB HDD (WD10EZRX
a c 1864 ) Power supply
a c 329 À AMD
September 1, 2013 5:36:44 AM

If it's a decent PSU 620w will be more than enough.
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a c 1864 ) Power supply
a c 329 À AMD
September 1, 2013 11:05:53 AM

No less than 620.
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a c 280 ) Power supply
a b À AMD
September 2, 2013 8:47:19 AM

Bubun Karmakar said:
Alright then, thanks. :) 


Hi - actually that system can run fine on any quality 430w PSU & above. You do
not need 620w. You need to insure that it has at least 19 +12v amps and at least
one PCIE connector. Most quality 430,450, & 500w unit easily meet those requirements.

Altho, a Seasonic 620 is nice if you are limited on funds then look for a deal on something
in the 430 to 500w range.

Hi - the Corsair cx500 v2 can now be had for $30 net ($10 promo ends today) with
promo & mir
http://pcpartpicker.com/mr/newegg/corsair-power-supply-...



and there's a host of PSU less than $50 that will handle that system well.


Sorry, didn't notice flipkart till after, same logic applies tho, 430-500w
with min 19 +12v amps & one pcie connector.

This one will easily power that system for 2000rs less:

http://www.flipkart.com/seasonic-s12ii-430-watts-psu/p/...

Oooops - sorry - didn't notice CF (not enough coffee yet), yes stick with the 620.
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