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Do i need a new PSU for 7870?

Last response: in Graphics & Displays
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April 9, 2012 4:30:24 AM

hi :D  i am current using e2250 from velocity right now ( link below )

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

i know its old lol thats why i am planning to upgrade my graphic card now.
but the problem is, i am a student with limited income from part time jobs so i want to save as much as possible..
currently the pc has 500 watts PSU ( not sure which model ) and i am planning to get the HD 7870.
i have heard that 7870 is not a power huger card ( compare to like gtx 570 )
do u guys think i need to get a new PSU???

More about : psu 7870

a c 175 U Graphics card
April 9, 2012 5:29:01 AM

Yes you're right about 7870 being very efficient, it's a very efficient card. You at least need probably about 34A (Minimum about 28A) on the +12V rail with two 6-pin PCI-E connector on your PSU. If you do have that on your PSU, you're very safe. If your PSU does not meet the limitation, I think you should buy some better PSU :) .

Here is a pretty good 7870 and an enough power supply to power it.
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April 9, 2012 10:34:55 PM

Whats the specs on your rig? 7870 maybe overkill and you could possibly pick a different card that is more efficient for your PSU if that is important. The 6850 only needs one connector for example and is a very good card as well.
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a b U Graphics card
April 9, 2012 11:16:19 PM

I bought a Asus DCUII 7870 and it calls for a minimum of a 450w PSU with a 12v current rating of 40a. Although if you do lack the PCI-E connectors and its of low quality it would be a good idea to upgrade that anyway.. You'll be happy and see some very nice gains from the 7870 over your current one.
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