i want to upgrade to r9 390 and i don't know which one is good ( sapphire r9 390 nitro or gigabyte

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SamerAyman

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i want to upgrade to r9 390 and i don't know which one is good ( sapphire r9 390 nitro or gigabyte

r9 390 g1 gaming ) ? and those GPUS can fit into my case ? and my mother board and psu can handle it ?

this is link for psu http://www.gigabyte.com/products/product-page.aspx?pid=2793#sp

MY Full Specs:

I7 3770 3.4 - 3.9

16 ram 1600 GHZ

sapphire 7970 hd 3 GB

Power supply - gigabyte Superb 720


HDD Western Digital 500 GB Blue

3 cooler master fans in Cooler Master K380 K-Series Mid Tower
 
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junkeymonkey

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well about all the same in the end

sapphire has all way been a go to amd vender and thats all they do for the most part . I went powercolor with my last amd card and guess I lucked out it been one of my best cards ?

I guess who offers the best clocks out of the box for the money and what end user reviews have to say overall ??

looking here it seems the msi card is the one there after if reviews reflect sales ??


http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&IsNodeId=1&N=100007709 600565504
 
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rolli59

rolli59

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PSU is not good really more like a 550watt and I would not trust it with a $300 card. Either card is a fine choice so the one that is cheaper or looks the best to you. Here is info on the cards length , you can install up to 12.5" long card just as long there is no HDD in its way http://www.coolermaster.com/case/mid-tower/k380/
 
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junkeymonkey

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junkeymonkey

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I cant agree more with what this guy says here -- ''A power supply is the foundation of your system and you should buy a power supply that provides clean and stable electrical power, uses quality components, and is powerful enough to meet your current and future needs. Buying a low end, cheap power supply puts your system at risk, might cause instability and will not have adequate protective circuit features to protect the hardware in your system

Read more: http://forums.tweaktown.com/gigabyte/57434-gigabyte-power-supplies-good.html

high quality and high power cant go wrong - if I need a 600w I go 850w or what ever the best I can do or afford - like you when a upgrade comes up I'm not guessing if my psu can handle it cause I did my best to insure its covered when I first bought one

psu is the hart and life's blood of any build like you do you want a weak hart in your body then need to run at max ??

good luck
 
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SamerAyman

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so you tell me if i try to use r9 390 on my psu ( suprb 720 ) my hardware components will burn ?

 
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SamerAyman

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so you tell me if i try to use r9 390 on my psu ( suprb 720 ) my hardware components will burn ?

look at this site extreme power supply

http://outervision.com/power-supply-calculator it calculated my system with r9 390 505 W and with gtx 970
415 W

 
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junkeymonkey

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no its just that you could face power issues under full load - lots of folks can find there budget /weaker then claimed/ lesser build quality psu's can fail to properly supply adequate power to demanding cards .

your psu maybe fine ?? but its kinda a mystery unknown on what you really got as a psu . theres a few that can claim its a 700w but may not do as well as a 550w when put to the test

do you know if you got something like this ?
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=123

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=324

or something like this under the hood ??

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=446

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=434

like me I learned this the hard way with a ocz psu [cards / motherboard / and the psu all ended up with popped and cracked and swollen caps ] and inconsistencies

now I look over psu's hard and go for the best rated and reviewed with knowing whats really inside like from Johnny who opens them up to see and shows parts used

that's all
 
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rolli59

rolli59

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The thing is that your 720watt PSU only has 504watts available on the +12 volts that is less than some modern quality 550watt units. +12 volts is the power that most all the components use.
I would not trust it with the 390 but it will work with the 970 although it may be lacking quality.
 
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SamerAyman

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junkeymonkey

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also look at the nitro specs -- System Requirements750W System Power Supply Recommended; 375W Power Consumption

now you got what you hope is a 720w?

the read the review of there 550w rolli59 posted about its misleading on the watts [really a 450w at best ??] and you got to assume your 720 is built on the same platform as that 550w??

http://www.newegg.com/Product/Product.aspx?Item=9SIA5753KG6269

understand where we were going on this ??

its best to have a known top tier quality unit you can have confidence in that may save yourself some grief for high end upgrading or high power demanding parts
 
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