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Windows 7: would i need to upgrade my PSU?


23 May 2011   #1

Windows 8.1 Pro x64
 
 
would i need to upgrade my PSU?

okay i made a thread about my h70 just recently, but i got to thinking, am i selling my system short with the PSU i have? im running 4 HD's, 2 DVD drives, 5 fans, a R5770 and my Phenom II x4

i have a corsair 400watt PSU, ive had this thing for close to almost 2 years. still running like a champ, never had a problem but i somehow feel im hurting my system by having such a low wattage PSU, with PSU's having 80 gold and so forth as the standard now. i dont know anything different, but would this make a dramatic effect on my system as far as pulling resources from the supply itself? i do game, i dont notice any lag in my system, what would be your recommendation? i was thinking about upping to 750watt corsair


My System SpecsSystem Spec
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23 May 2011   #2

Windows 7 x86/x64, Server 2008r2, Web Server 2008
 
 

To be honest I am surprised you haven't fried your 5770. My co worker fried his video card with a low watage PSU, as it wasnt pushing enough to power the fan fully.
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23 May 2011   #3
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Wow that is a low powered PSU for the setup. In your configuration you are probably maxing out your PSU. An upgrade to 750W will give you a bit of headroom and if your system is calling for max power, the PSU will only be at 50%-60% which is what you want to avoid overworking the PSU and under powering your graphics, CPU, RAM, etc.
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23 May 2011   #4

Windows 8.1 Pro x64
 
 

yea, the 5770 handles the PSU like no problem, i never had a problem in game, when im running fraps im still avg 60 FPS in most games.

the fans on my 5770 run great, never had a problem, when i play games they both increase to over 2000 rpm, so its getting the power. im pretty sure ima get a new modular, just wanted a second opinion
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23 May 2011   #5

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by mckillwashere View Post
To be honest I am surprised you haven't fried your 5770. My co worker fried his video card with a low watage PSU, as it wasnt pushing enough to power the fan fully.
Thats often the difference between a quality power supply and a crappy power supply. The corsair is putting out an honest to goodness 400 watts of power. And this thread goes to show that PSU, can stretch farther than a lot of people think.
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23 May 2011   #6

Windows 7 Pro. 64/SP-1
 
 

Your Corsair power supply is a very good one, you are just working it very hard. That creates heat and shortens it's life. A Corsair 750 or 850 would do just great plus give you a little head room for other things down the road.
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24 May 2011   #7

Windows 7 Ultimate 64bit
 
 

750 is way overkill, but if you want to spend the money for it, do it.
I personally wouldn't upgrade the PSU right now unless there was a very good deal on one, otherwise I would wait till I upgraded the system or the PSU fails.

I am running an Antec 650 in my current setup, and in my old setup I had more than double your hard drives (9), Intel C2Q cpu that was overclocked, had 4 sticks of DDR2 1066 ram, and a GTX285 and 9600GT video cards, on the same 650watt PSU.
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24 May 2011   #8

Windows 8.1 Pro x64
 
 

yea absolutely i agree, when i bought this PSU i threw it in the dell dual core i had cause the PSU on that blew out, did my research and it led me to Corsair, ill probably keep it as a back up or if i build a browser computer cause its legit and i leave it running 24-7 and never had a hiccup. i was on newegg and i was looking at PSU's

any recommendations besides corsair
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24 May 2011   #9

Windows 7 Ultimate 64bit
 
 

I've been running Antec PSU's in all of my personal builds and machines I build that have higher than $450 budgets.

I haven't had one fail on me yet, but I did have one that developed a loud coil whine. Antec replaced it for me, just had to pay to ship it to California.
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24 May 2011   #10

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Quote   Quote: Originally Posted by lovewin7yea View Post
yea absolutely i agree, when i bought this PSU i threw it in the dell dual core i had cause the PSU on that blew out, did my research and it led me to Corsair, ill probably keep it as a back up or if i build a browser computer cause its legit and i leave it running 24-7 and never had a hiccup. i was on newegg and i was looking at PSU's

any recommendations besides corsair
Be sure to look at Seasonic.
Seasonic makes most of Corsair's and many of Antec's power supplies.
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 would i need to upgrade my PSU?




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