Which best graphics card for Q57 motherboard?

It does not state the size of the powersupply in watts but my guess would be about 300watts. You could run a HD5670 on that.

Nvm- thought it was the low-profile one for a minute there sorry! Your best bet is probably the 5670 since we don't know for sure what the PSU is. If you have enough PSU power (350-400W) you can probably go up to a 5750, but I wouldn't go above that for SURE without getting a better PSU.

(See EDIT at bottom) The link is broken. It redirects me right back to this page.

If this system is inside a slim-line case (as most HP's are) which requires a low-profile card, then your upgrade options are limited. They're further limited by your Power Supply.

If it's slim-line, I'm afraid your only true upgrade options (from your HD4650) are an ATI HD5570 OR a Low-Profile version of the 9600GT. However, I'd not recommend using a 9600GT in a system with a PSU under 250W.

Here are 2 9600GT low-profile cards from Newegg.com
http://www.newegg.com/Product/Productcompare.aspx?Submi...

Sparkle makes a 9800GT low-profile card, but it would seriously stress a 250W PSU. With this one, 300W or more would be a minimum. (My opinion of course.)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

And of course, the HD5570 options:
http://www.newegg.com/Product/ProductList.aspx?Submit=E...
The Gigabyte and PowerColor "Go Green" cards are full-size, so exclude them.

Once again, all these cards are low-profile form factor for slim-line cases. If in fact your case is full-sized, your options grow almost exponentially. But, I remind you, we need the PSU's wattage output and 12V amperage rating to recommend any card with true confidence that your system can handle it.

EDIT: Got the link to work, finally. Dunno why it just bounced me right back to this page. Anyway. It would seem since you have an HD4650, you have the mid-tower version which accepts full-size cards. That's going to give you far more options. However, the simple fact remains that even after reading the specs, the PSU's specs don't reveal it's power output ratings at all.

So, as I said before, "we need the PSU's wattage output and 12V amperage rating to recommend any card with true confidence that your system can handle it."

Its a mini-tower, not a slimline, so its not low-profile. Also- if you try to open in in a new tab, it directs you back here for some reason, but if I just click and open it, it opens a PDF just fine for me.

Yeah, I got it. Edited my comments accordingly. The PSU ratings are lacking in those specs.

320 watt PSU http://h10010.www1.hp.com/wwpc/us/en/sm/WF06a/12454-124...
HD5670 would be a good card for that or go with a 9800GT ECO/GREEN version (just a tad more power) that does not need a power plug to the card.

the 5670 is very comparable to the 9800GT Eco/green version, and uses less power + is DX11 compatible. Not much to push the 9800 there.

Thanks rolli.

I'm inclined to believe it could possibly support up to a 5770, and definitely a 5750. Neither one is power-hungry at all, and this PSU's description makes it sound as though it's very high quality. I suppose support for 5700-series cards would be more dependent upon which CPU and additional components are chosen, though.

Many many thanks to you all  

I'm going to check what is the PSU and post it here, but I believe it would be the 320W that was stated by rolli. Anyway, I would like to use the 5770 that you talked about. Let me just check and repost.

Thanks again to all for the considerations. Very enlightening!

5770 might be a little on the "wishful thinking" side... Don't get your hopes up prematurely.  

But, after reviewing Xbitlabs review of the 5750 and 5770 power reqs, I think it's close. Have a look:
http://www.xbitlabs.com/articles/video/display/radeon-h...

The 5750 only BARELY needs the external connector to power it at high loads. The 5770 uses that connector more, but it still is well within a single power connector, and should be ok with a decent 320W PSU, as long as there's not tons of HDDs and extra power pulling add-ins or tons of OCing.

Fly, that's exactly why I figured it should work and said it would all come down what CPU and additional components are installed.

Nice pic of your CM-690 case. I have one, too  

Yup- I was just verifying after what had been posted inbetween:-)

Thanks- I love the CM-690- its really a great case.

The new 690-II is such an improvement, though... I've had my 690 for over 2 years, and I agree, it's nice. But damn the new one is so much nicer! Anything they could have improved was improved.

Yeah- its great. Lets not thread-jack though ;-)

Anyway: I couldn't check the power of the unit, but I do believe it's 320W. Couldn't open the case though. Considering it's a 320W (I will check it later),

The computer is a i5 processor, there's only 1 disk on it, and based on this link http://www.xbitlabs.com/articles/video/display/radeon-h... from RazberyBandit I guess it's pretty much believable that the 5770 can be used.

So I'm trying to buy one on ebay: ASUSTeK COMPUTER ATI Radeon HD 5770 1 GB EAH5770 and will be enjoying it (hopefully) as soon as I do check that it's 320W. Not so easy to check it, though, I couldn't find anything written on the PSU which would give how much watts it takes.

Again, thanks for all the help and no worries about the hijack  

Let us know how it works. It is good for future reference!

Thats a nice card- Asus is a good brand. Good luck getting it, and hope it works well for ya!

Yeah lufe, let us know how it works out once you get the card and have a chance to test drive it. I have a feeling it'll perform very well.

I'll sure post it when I get the card and install it. May take a while though since I'm in Switzerland and the card comes from the USA. But I'll surely post to let you guys know.

You bought it from a US site? Why not one in Europe?

price maybe? Still- thats gotta be a killer when it comes to shipping!