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PSU watt required / Model

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January 7, 2010 6:48:31 AM

Hi folks, for a system with the following set up , may I know the PSU wattage required.Also kindly suggest some top quality PSU.
Thought of getting a Antec700W PSU,Any suggestions?

i5 - 750
Intel DP55KG
Radeon 5770 - for now 1,will to CF in future so take it as X2
2 GB RAM - Transend
Seagate 500 GB
Samsung DVD-Writer 22xD
January 7, 2010 6:59:51 AM

Antec is solid. You may also want to take a look at Corsair, Seasonic, and OCZ's 80 Plus power supplies if you want to save a bit of cash and still be safe.

650W will be plenty for that system and you will want 4GBs of RAM.
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January 7, 2010 8:00:40 AM

BohleyK said:
Antec is solid. You may also want to take a look at Corsair, Seasonic, and OCZ's 80 Plus power supplies if you want to save a bit of cash and still be safe.

650W will be plenty for that system and you will want 4GBs of RAM.


Thanks man,
I am curious why 4 Gb is required ?
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January 7, 2010 8:04:59 AM

Its the standard now a days. Applications are needing more and more memory.

Also, you mine as well pay the extra $20 for twice the memory. P55 is designed for 2 and 4 sticks of RAM. If you are using a single 2GB stick the motherboard will not take full advantage since its not running Dual Channel.
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January 7, 2010 8:38:15 AM

Yes get 4GB Ram.preferably the same model and same brand as of the 1st one.
Since Vista/Windows 7 will use 1GB RAM themselves along with Antivirus and other programs.
That leaves 1GB for other purposes like gaming which is quite LOW.
Even a 3 year old game utilizes 1GB of RAM,

Even a Cosair 550Vx or 650TX will be sufficient for your rig.

Antec 700W will be enough to handle the rig.
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January 7, 2010 10:08:42 AM

ati reccomends 600 watts for crossfire 5770
antec sg /ea 650
corsair tx/hx650
seasonic 650
enermax 650
ocz 650
xfx 650
will all run 2 5770's with ease
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January 7, 2010 5:41:56 PM

From your comment i get it that a 650w antec will do the job . Will putting in a 700w PSU , where a 650w is required do any damage . Assuming too much power like in over voltage .
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January 7, 2010 5:42:15 PM

From your comment i get it that a 650w antec will do the job . Will putting in a 700w PSU , where a 650w is required do any damage . Assuming too much power like in over voltage .
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January 7, 2010 5:56:09 PM

sri@1kGHz said:
Will putting in a 700w PSU , where a 650w is required do any damage .

No.
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January 8, 2010 3:26:47 AM

No.It won't do any damage.
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January 11, 2010 7:06:04 AM

BohleyK said:
Antec is solid. You may also want to take a look at Corsair, Seasonic, and OCZ's 80 Plus power supplies if you want to save a bit of cash and still be safe.

650W will be plenty for that system and you will want 4GBs of RAM.



For My PSU to be 650 W what will be an optimum UPS rating required
?
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January 12, 2010 1:11:55 PM

seasonic X-650/X-750 is some of the quietest power supplies ever made
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