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Tom's Hardware > Forum > Systems > New Build > PSU watt required / Model

PSU watt required / Model

Forum Systems : New Build PSU watt required / Model

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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

Reply to sri@1kGHz
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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.

Reply to BohleyK

BohleyK wrote :

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 ?

Reply to sri@1kGHz

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.


Message edited by BohleyK on 01-07-2010 at 11:08:26 AM
------------------------------ [Silverstone Grandia GD05B]
[Core i3 2100][Gigabyte H67M-D2-B3]
[Mushkin Redline 4GB][Sapphire 5670]
[Corsair HX650W]
Reply to BohleyK

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.


Message edited by shubham1401 on 01-07-2010 at 11:41:01 AM
Reply to shubham1401

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

Reply to obsidian86

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 .

Reply to sri@1kGHz

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 .

Reply to sri@1kGHz

sri@1kGHz wrote :

Will putting in a 700w PSU , where a 650w is required do any damage .


No.

Reply to delluser1

BohleyK wrote :

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
?

Reply to sri@1kGHz

http://www.antec.outervision.com/PSUEngine
calcuated as 412 W for i5 - high end board - CF - Radeon 5770 + ...

Reply to sri@1kGHz

http://www.anandtech.com/casecooli [...] i=3413&p=7

By this article ,the 850 W Antec PSU will be quiter and efficient .

Reply to sri@1kGHz

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

Reply to obsidian86
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