Hp pavilion a1600n video card upgrade

OCZ ModXStream Pro OCZ500MXSP 500W is a good value at the moment. $65 with $20 rebate.
It has a 6pin and 6+2pin PCI-e connector and modular cables.

A slightly less expensive OCZ Fatal1ty OCZ550FTY 550W $65 with $25 rebate comes with a 6pin and 6+2pin PCI-e connector.

Thanks for the replys everyone. Will the little higher end power supple help in performance or will the little lower two be sufficient enough? Already have the ram and now the video card, just need to get the new power supply so i can leave system as is for now.

~daic

A more powerful PSU will have no performance effect on your computer.

It can have an unfortunate effect on your electric bill. PSU's work best when loaded to 70-80% of capacity. Higher and below that they lose efficiency. So a 700 watt PSU on your system would actually increase your power draw overall. Not by much by why do that when it's no needed?

Anything listed so far are more than enough. They have that 'little extra room' there already.
The major difference are the slightly higher quality and and 5yr warranty of the Corsair vs better price and 3yr warranty of the OCZs.

Close to 50% is the sweet spot and the differences between max efficiency and lowest efficiency isnt that great, a few percent. And that might cost a couple bucks max for the average user.

Thanks yet again. Ill probably go with the OCZ Fatal1ty OCZ550FTY 550W $65 with $25 rebate. Looks good on price and as long as it works with the card and last even a couple years, will be worth the cost.

Ah i see, looks like just to keep it simple or a red LED fan.

Fatal1ty 550FTY is 5.9in x 3.4in x 6.3in (W x H x D)

Yes, PSU fan blowing out the back

With the big top fan of the Fatal1ty 550FTY (and ModXstream & Corsair 550VX, etc) the PSU will need to go in the case upside down - which is not a problem.
Have you checked the HP forums to see what others are using for PSU replacements?

It looks like a lot of the 300-400W PSU are around 5.5" deep (length) compared to the 6.3" of the OCZ 550.

It doesnt look like there will be a problem in your case but you want to make sure there is that extra inch of room between the cables of the PSU and your CD/DVD drive cables.

From just looking seems there would be enough room for it.

I was reading some more and seems will work file, but like you said, never hurts to check.
I understand that, nice to see all the input went to good use .

P.S. thanks for adding the link

I was looking around and found [url=http://www.tomshardware.com/reviews/radeon-hd-5870,2422-20.html][/url], which shows the 4890 running with 330w power. Is it possible for my current PSU to hand it for about a month or less?

There is also the problem of cobbling together TWO 6pin PCI-e connectors for the video card. I dont think you'll get it running without 2 of the power connectors plugged in.