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"Best" GPU I can fit on a mediocre PSU

post #1 of 16
Thread Starter 
I built a garbage $200 computer with a bundle off of Newegg earlier this year with a Raidmax case and 450W PSU combo (normally wouldn't touch them with a 50ft pole). Now that I'm here between semesters, I was going to grab a cheap GPU from Best Buy and return it before I leave; I can't handle the GMA X4500...

I spoke with Phaedrus, and it looks like the Raidmax RX-450K is actually some crappy Andyson 300W PSU. Since it's only a bit of gaming, and I'm only here for two weeks, I'm not worried about long-term.

I just wanted to get an idea of what the max I could safely fit is.

EDIT: Here's the rest of the specs, for giggles.

Intel Celeron E3200
2GB G-Skill DDR2-800 RAM
ASUS P5G41-M Motherboard
RAIDMAX Tornado with Raidmax RX-450K 450W PSU
WD Blue 320GB HDD
Edited by EfemaN - 12/27/10 at 1:38pm
post #2 of 16
Anything you won't need a PCI-e connection for would do fine, something like a 5670 etc.
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post #3 of 16
Probably something without the extra power plug(those cards that draw power only from the pci-e slot) .
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Dunno
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post #4 of 16
Thread Starter 
Quote:
Originally Posted by candy_van View Post
Anything you won't need a PCI-e connection for would do fine, something like a 5670 etc.
Quote:
Originally Posted by Kasp1js View Post
Probably something without the extra power plug(those cards that draw power only from the pci-e slot) .
Thanks for the quick replies. So y'all think there's no room on the PSU for any load?

EDIT: If it comes down to it, I also need to have a few options in mind; BB has never had the greatest selection.
post #5 of 16
Quote:
Originally Posted by EfemaN View Post
Thanks for the quick replies. So y'all think there's no room on the PSU for any load?
TBH no not really.
Even though your system won't be pulling a whole lot under load, I wouldn't try and squeeze everything out of that 300w-effective, flaky unit (that probably doesn't have any fail-safe protection).

Running off PCI power would be all I'd do with it personally.
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post #6 of 16
You system consumes something like 160~170W - you PSU gives around 300W which means that your card if you chose could take around 150~160W max. Going with some Green card (without PCIe Power plug) will be the best go. You could look for a PNY 9800 1GB EE Green or something of the 56** series from the new ones.
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post #7 of 16
That psu states it can do 21a/252w on 12v. The actual number may be less than 250w. let's say 220w. The stock E3200 is 65w alone, you should not get a gpu consumes more than 80w. Since cpu is e3200, depending on budget and what type of games you play, may take a look at something like 5670, 60w.
Edited by linskingdom - 12/27/10 at 2:06pm
post #8 of 16
Quote:
Originally Posted by EfemaN View Post
I was going to grab a cheap GPU from Best Buy and return it before I leave;
I think you just scraped through the bottom of the ethics barrel. I'd recommend re-thinking this.
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post #9 of 16
Thread Starter 
Thanks for the replies. My fingers are crossed that they'll have a 5670; it'll work for what I'm doing I suppose. I'm just so used to my 480

Quote:
Originally Posted by Aardobard View Post
I think you just scraped through the bottom of the ethics barrel. I'd recommend re-thinking this.
I worked sales at Best Buy for a year, now Geek Squad. For people in situations like this, most of the employees, including myself, would say to buy and return; the management doesn't care for low-volume-sales items. It's going to be kept in good condition, and returned like-new; this doesn't breach ethics.
post #10 of 16
Quote:
Originally Posted by Vipervlv View Post
You system consumes something like 160~170W - you PSU gives around 300W which means that your card if you chose could take around 150~160W max. Going with some Green card (without PCIe Power plug) will be the best go. You could look for a PNY 9800 1GB EE Green or something of the 56** series from the new ones.
I've had one of those. It will run on a power supply like that.
    
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