Radeon 4890 Power Supply?

[scm1994]

Would this power supply work for me?
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1147666&CatId=1079
I'll have a Radeon 4890 along with my AMD Athlon II X2 and 4gb of ram. Below is a link to my computer and the video card, if it helps.

http://www.bestbuy.com/site/Dell+-+Inspiron+Desktop+/+AMD+Athlon%26%23153%3B+II+X2+Processor+/+4GB+Memory+/+500GB+Hard+Drive/3152154.p?id=1218380515754&skuId=3152154&st=dell%20500gb&cp=1&lp=11

http://www.newegg.com/Product/Product.aspx?Item=N82E16814150438

 

[Deemo13]

That will most likely work; there is more than 40 amps on the 12v rails, plenty enough to run a 4890.

Remember to activate the lifetime warranty on that sucker (I forgot)

 

[scm1994]

So the 12v rails combine? I was confused about that. And another unrelated question, does this card require alot of ventilation?

 

[Deemo13]

They more or less combine. In a stock Dell case, ventilation might be an issue, but I have a G92 GeForce GTS250 that runs really really really hot, so what I would do is get something like MSI Afterburner, which lets you control the fan speed on the card. It is also a 2 slot card, which helps ventilation.

Also, if you are that worried, you can just leave the side panel off of the case to allow for maximum ventilation.

 

[festerovic]

That card isn't too hot. Even in a cramped case it will get in the 70s at most. It may heat up your other stuff if you don't have good ventilation.

 

[leon2006]

It require considerable cooling. I have 3 of these... One setup on Antec 900 in crossfire, The 2nd setup on another Antec 900.

Here's the system requirement for it including power supply for your reference

http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-4000/hd-4890/Pages/ati-radeon-hd-4890-system-requirements.aspx

You need at least 600W.

 

[leon2006]

These card/GPU is design to run hot but its best you have adequate supply of fresh air. The hot air comes out at the end of the card at the end of the chassi.

 

[scm1994]

As long as it doesn't overheat or mess up anything, I'll be fine haha

 

[4745454b]

Deemo, not quite. It says "384W" under both 12V rails, so it can output 32A.

I vote you pass. That little red voltage switch screams old design. Old designs don't handle "modern" GPUs well. Try this one. It's even cheaper after rebate.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139026

 

[Brockavich]

I'd say it would. Barely.

 

[scm1994]

But that's only a 430 watt?

 

[4745454b]

So? The total 12V output is very close. And its much more efficient then what that ultra can do.

 

[leon2006]

You need 500W minimum for 4890

read what is required:
http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-4000/hd-4890/Pages/ati-radeon-hd-4890-system-requirements.aspx

This is a better option from a well known brand/quality. You will end up ~ $39.99

http://www.newegg.com/Store/SubCategory.aspx?SubCategory=58&name=Power-Supplies

 

[4745454b]

You don't "need" a 500W PSU. AMD only says that because of all the junk/sub standard PSUs that are out there. The TDP of the 4890 is ~200W. Assuming a 95W quad CPU and system draw is ~350W. Cutting it REALLY close with that 430W, but it should be fine. It can output its rated power.

 

[simon12]

+1 AMD say 500W to allow for PSU manufacturers who label a PSU as 500W because thats the peak power while Antec rates theres at the continuous power. Also for modern GPUs the power supply should be able to supply 80% or more power to the 12V rail while a cheap 700W one I have can supply less than half of that to the 12V rails making it effectively for any useful purpose in a modern PC around a 350W PSU. Compare this to my Corsair TX750 750W which can supply 744W to the 12V rail.

 

[scm1994]

http://www.newegg.com/Product/Product.aspx?Item=N82E16817171060

http://www.newegg.com/Product/Product.aspx?Item=N82E16817822017

Would one of these work?

 

[Deemo13]

In that instance I would go with the CoolerMaster one over the DiabloTek one, Diablotek is not the best brand out there. It should be enough. The CX430 is also a good choice, one of the best out there.

 

[4745454b]

+1 for the CM. NEVER buy a "PSU" with DiabloTek's name on it.

 

[woody213]

Would this power supply work for me?
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1147666&CatId=1079
I'll have a Radeon 4890 along with my AMD Athlon II X2 and 4gb of ram. Below is a link to my computer and the video card, if it helps.

http://www.bestbuy.com/site/Dell+-+Inspiron+Desktop+/+AMD+Athlon%26%23153%3B+II+X2+Processor+/+4GB+Memory+/+500GB+Hard+Drive/3152154.p?id=1218380515754&skuId=3152154&st=dell%20500gb&cp=1&lp=11

http://www.newegg.com/Product/Product.aspx?Item=N82E16814150438

Never liked Ultra power supplies but if the specs are correct than you have plenty of power. However that power supply only comes with 1 PCIe 6 pin connector. Your card uses 2. I know most cards come with Molex to PCIe adapters I just don't trust them.

 

[festerovic]

woody213, I agree with distrusting them at first, but I've been using two of them on 1 rig and 1 of them on another, for over 1.5 years now, and no problems with GPUs or mobo. I'd like to know if there's some science to our distrust though.

 

[scm1994]

So, I got the video card today, and slid it in my case just to make sure it fits. It was a tight fit, but it slid in there. However, my case is just a basic dell case, and for some reason, I wasn't able to secure the video card down. So would I be able to use the card even if it isn't secured down?

 

[scm1994]

Nevermind, problem fixed.

 

[jjb8675309]

You don't "need" a 500W PSU. AMD only says that because of all the junk/sub standard PSUs that are out there. The TDP of the 4890 is ~200W. Assuming a 95W quad CPU and system draw is ~350W. Cutting it REALLY close with that 430W, but it should be fine. It can output its rated power.

+1 totally agreed what AMD specifies is generally way over requirements but oftentimes you can get away with a quality lower wattage unit. For example I have a backup rig running a Antec Earthwatts 380w psu running an oc'ed p2 955 and and oc'ed 6850 without a hitch, it has a combined 28 amps on the 12v rail I believe, i just saying you cant go by what amd says

 

[gungyoshi]

A 4890 can eat up to 370W on full load, and that's a reference model not an OC edition. I have a 500W powersupply and i am barely scraping through. I would reccomend at least a 550W.

Also tdp doesn't equal power consumption, a processor with a tdp of 125W for instance, like a X4 955 can use up to 250W under load and then you still need to compensate for usb devices, pci and pci-e cards, hdd's and opticals, case fans and memory modules.

Luckily my stider essentials 500W can withstand peaks up to 600W, otherwise i would be in trouble, but I am buying a 750W soon for crossfire. Running your PSU over its limits is not a good idea if you are doing it frequently.

 

[jjb8675309]

^lol "stider essentials", lol thats probably why you think you need a 550w psu, the unit you have sounds like a trash unit, so there you go, it further proves my point