PrTv Posted September 21, 2009 Share Posted September 21, 2009 I'm using HX520 now and considering upgrading my VGA from 9600GT to GTX275. After reading official NVIDIA's recommendation I found that it requires at least 550W PSU with 40A 12+ rail. I know that HX520, although does not meet the requirement in respect of total watt, delivers just that (40A), but I'm not sure if it cut too close. My setup is: C2Q 8400 @3.5Ghz (1.36 Vcore) Gigabyte EP45-UD3R 2GB*2 DDR800 @2.1V Audigy 2 3 of Seagate 250GB Sata 3 80cm Case Fans 1 CDRW Other people in other forum said HX520 should be able to handle it without a problem since in real life, this setup won't even come close to 500W usage, and many people use 5xx watt PSW with this card with water cooler and a lot of fans without a problem. But I'm still worry if this PSU can really cope with this configuration. If not, I may get GTX260 instead since I can't buy another hi-powered PSU ATM and the cost of both (GTX275 and some 6xx or 7xx PSU) is too much ATM. Link to comment Share on other sites More sharing options...
Wired Posted September 21, 2009 Share Posted September 21, 2009 The PSU finder says you'll be fine. Link to comment Share on other sites More sharing options...
PCCstudent Posted September 21, 2009 Share Posted September 21, 2009 I aksed just about the same question on this exact Forum and it was explained that I would not have room for any expansion, I moved up from 850W to 1000W,the P/S is not a area you want to cut corners,its the heart of the beast. I run the same GPU I think you will be very happy,it is a hot runnig GPU though. I can get between 75-105 fps in FarCry2 benchmark,Flight Simulator and and Crysis run fantastic. Since you have decided that your current P/S is going to be the one there does not need to be any more discussion. Link to comment Share on other sites More sharing options...
PrTv Posted September 21, 2009 Author Share Posted September 21, 2009 Thanks for the reply. I tried that PSU Finder thing, and found that if I ticked "extreme overclock" and/or VGA overclock, HX520 was out of the list. As my CPU is overclocked @3.52Ghz (around 30%), I think it's "extreme overclock" by that PSU Finder's standard, and I will surely overclock the VGA to squeeze any extra juice. When both of that combined, HX520's gone. :[pouts: However, I've heard of many people running even more demanding setup with this PSU w/o any problem, so I don't know if the PSU finder is too much on the safe side. That worries me, as I don't know if it can comfortably handle that configuration. It'd be great if someone who runs this setup would share his/her experience. BTW, if my PSU can't handle this setup, what will happen? If it runs normally (no restart, no performance degration, etc) how can I know if it really handle things comfortably. Thanks EDIT: I aksed just about the same question on this exact Forum and it was explained that I would not have room for any expansion, I moved up from 850W to 1000W,the P/S is not a area you want to cut corners,its the heart of the beast. I run the same GPU I think you will be very happy,it is a hot runnig GPU though. I can get between 75-105 fps in FarCry2 benchmark,Flight Simulator and and Crysis run fantastic. Since you have decided that your current P/S is going to be the one there does not need to be any more discussion. I didn't see your post when I post mine. You said you "moved up" from 850W PSU to 1K? Just because you want this beast to run comfortably? I think the more I read the more I realise that my HX520 isn't gonna cut it. Since I really don't I think I may have a better chance with GTX260 then. Link to comment Share on other sites More sharing options...
FEAR6655 Posted September 21, 2009 Share Posted September 21, 2009 You're fine, even overclocked. Link to comment Share on other sites More sharing options...
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