Video card compatible with my system

Asus Asus eah4670/di/1gd3/v2 1gb pci exp...
January 30, 2010 at 14:39:25
Specs: Windows XP, AMD Athlon 64 Proc 3500+/4GB ram
My system has a 300w PSU with one PCI Express x16 slot. Will the 1GB card work with my system? I've seen in some other posts where the ASUS HD 4670 512mb card should work with the 300w PSU so I thought the more memory the better.

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January 30, 2010 at 14:42:44
512MB or 1GB makes no difference. The HD 4670 *should* work, if you have doubts & don't wanna invest in a power supply, go for an HD 4650. Of course, the HD 4650 doesn't perform as well.

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January 30, 2010 at 15:50:38
More ram on the video card has little or nothing to do with the speed of the video, after a certain minmal point that 512mb far exceeds. More ram on the card DOES support faster frame rates but only at the highest resolutions the video chipset is capable of. A card with less ram has identical max frame rates at lower resolutions other than the highest ones. If you don't have a physically huge monitor or TV/monitor connected to the card, you can't benefit from the extra ram anyway - the images and text on the screen would be too tiny.

"CPU/Ram: AMD Athlon 64 Proc 3500+/4GB ram"
You probably aready have more mboard ram than you need.

Ultimate Memory Guide
How Much Memory Do You Need? etc.
and your 3500+ cpu is more of a bottleneck than your mboard ram is.

Your power supply must have at least the minumum capacity required to support a system with the graphics card you are using installed, or the max graphics card you might install in the future.
(Onboard video - video built into the mboard - IS NOT A CARD!)
If that info is not in the ad for the video card, you can go to the video card maker's web site and look up the specs for the model - often under system requirements - the minimum PS wattage, and, more important, the minimum amperage the PS must supply at 12v is stated. If you don't find that, any card with the same video chipset including any letters after the model number has very similar minimum PS requirements. Some power supplies have two or more +12v ratings - in that case, add those ratings to determine the total +12v current capacity.

Click on Show beside Specifications
Recommended Power Supply 400 Watt
Click on Specifcation
Power Supply Requirement 400 Watt or greater power supply

In most if not all cases, the max capacity rating of the PS is an intermittant rating. It's recommended that you do not load your PS to any more that 80% of that rating if you are going to be using something that puts a constant load on it, such as playing a recent game for hours on end. In that case, you multiply the min capacity stated for the system with the particular video chipset on the card by 1.25 to find the min. capacity of the PS you should get.

In this case, that's 500 watts.

If you need to get a PS with more capacity, you can usually replace it with any decent standard sized standard ATX PS.

Standard (PS/2) power supply size - 86mm high, 150mm wide, 140mm deep, or 3 3/8" h x 5 7/8" w x 5 1/2" d , or very close to that, though the depth can be more or less for some PSs.

Don't buy an el-cheapo PS.
See response 3 in this:

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