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Ati 4850 x2 2gb graphics card / power supply specs

Forum Graphic & Displays : ATI - Ati 4850 x2 2gb graphics card / power supply specs

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paddy086   07-22-2009 at 10:53:15 PM

hello i have a ati 4850 x2 2gb graphics card on the box it says 650watt power supply is needed but if you do crossfire you need 1000watt. my question is since the card has 2 gpu in it and i enable crossfire in the settings do i need a 1000watt power supply or not thank you for your help

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ct1615   07-22-2009 at 11:27:10 PM
- 0 +

if you have one 4850 x2, a 650w PSU is recommended by ATI
if you plan to use two 4850 x2, ATI recommends the 1000w PSU

According to your post, you have just one 4850 x2 so the 650w PSU will do.

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 Reply to ct1615
paddy086   07-23-2009 at 12:48:43 AM
- 0 +

ct1615 wrote :

if you have one 4850 x2, a 650w PSU is recommended by ATI
if you plan to use two 4850 x2, ATI recommends the 1000w PSU

According to your post, you have just one 4850 x2 so the 650w PSU will do.




thanks i was think that just needed to be sure thank you

Reply to paddy086
jsc   07-23-2009 at 11:32:01 AM
- 3 +

Actually, because a 4850x2 needs about 20 amps at 12 volts for itself, if you are not going to upgrade the system much, a good 500 watt PSU will do. And for CrossFire, a PSU like the Corsair 750TX with its 60 amp 12 volt rail will do nicely.

Factory recommendations are so high because they have no control over the quality of the PSU that you will choose.

Reply to jsc
jonpaul37   07-23-2009 at 09:06:31 PM
- 0 +

+1^ to what jsc said. I have a 610 watt PC Power & Cooling PSU and i was able to handle a 4870 1GB crossfire setup no sweat, the better the PSU, the better off you'll be.

------------------------------ ASUS PQ5 PRO - E4500 @ 3.3 - 4GB GSkill DDR2 800 @ 4-4-4-10 - Sapphire 4850 512MB @ 655/1015 - Western Digital Caviar Black 640GB 7200 RPM 32MB - Win 7 64-bit - PC Power & Cooling S61EPS 610W Power Supply
Reply to jonpaul37
sherwol   10-29-2009 at 02:58:03 PM
- 0 +

I have the same Question, because i buy a Sapphire Radeon 4850 x2 2gb and I have a Power Supply Thermaltake Toughpower XT 850 Watts with 62A, but it would like to be known if with this one my computer might work nicely with two (2) VideoCards 4850 X2 2GB???

Anyhow I am going to buy the second videocard 4850 x2 2gb and I will try in crossfire, because he trusted very much in the quality of Thermaltake and this Power PC, I am sure almost that he was supporting them. Greetings to all.


Message edited by sherwol on 10-29-2009 at 03:25:58 PM
Reply to sherwol
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