I have a gtx 550 ti and want to put a gtx 760 in its place. Do I need any extra cables or adapters? I just read on here that m

Your GTX 550 Ti should only require a single 6-pin PCIe power connection. The GTX 760 Ti is listed as requiring 2x 6-pin PCIe power connections on NVIDIA's website, but you may also find cards that require a single 8-pin PCIe power connection instead.

The recommended PSU for your current card is a 400 watts, and the GTX 760 Ti is 500 watts. Make sure your power supply will meet these needs.
 
If the power supply has the correct leads there should be no problems-physically check to see-and confirm with your supplier which leads the card you wish to purchase needs.
Again there should be no problems connecting to the monitor, even if it only has a single VGA input either the card will come with a DVI/VGA adaptor in the box or they are only a few dollars and widely available through computer or electronics stores.
 
All the p8z68 motherboards have several PCI-E ports, so no problems with them.
Don't be worried about the PCI-e revision, the GTX770 will work perfectly well in a PCI-E 2.0 board.
Only possible issue is the system CPU, the GTX770 needs a strong CPU to keep it fed with data.
 

L34dF4Rm3R

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So the 770 and 780 are 10.5" long. The hd can be lowered to fit but it looks like I need to cut out some structural metal to make a new card fit. It's like 11" of room in a mid tower. A raid max black storm to be exact.



 

L34dF4Rm3R

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Yes you're exactly right. I think with some mods it will work. Looks like I might need a splitter for the cards 2 power jacks? A 6 and an 8 pin? There's a 6 with a 2 on there now and the 2 is just off to the side. I think everything will jive with all the pieces in place. Now I have to decide on a card. I'm down to a 780 vs a super clocked 4g 770. Both evga. I've always used nvidia and I'm comfortable with them. I mostly play fps and lots of multiplayer. This is gonna have to be my rig for a few more years. I can only really add ram after this and a ssd drive. I'm leaning towards a 780 based on longevity and it's price drop. If I'm gonna dump 400 bucks why not go 100 more and get better? Any thoughts? And again I greatly appreciate all the advice and feedback. If I knew of this site years ago I'd have saved a lot of money/headaches. Lol
 
A lot of PSU makers use those "6+2" connectors, it's a handy way of having both 6 and 8 pin connectors available in one block, all you need to do is hold the 2 pin part together with the 6 pin part and insert the whole thing into the 8 pin plug.
Here is a couple of reviews of the GTX760, both compare the GTX770 and 780 with it in their benchmarks:
http://www.guru3d.com/articles_pages/asus_geforce_gtx_760_mars_review,1.html
http://www.techpowerup.com/reviews/ASUS/MARS_GTX_760/
I agree the GTX780 is a massively powerful card but if you're using a single 1080, 60Hz display the GTX770 is far better value unless you plan on: Adding a second monitor for surround, going to 3D or increasing the resolution to 1440 or beyond in the foreseeable future.
 

L34dF4Rm3R

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Hey thanks a lot for your input and help. Actually I was eventually planning on a higher resolution. But mainly I just wanna max out what I got to hang in there as long as I can with it. Tough decision indeed
 

L34dF4Rm3R

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Ok. So it's down to this. I've decided on an evga 770 4g oc. I've got a 700 watt xtreme gear psu. Which I found out today may be total garbage. I've cut the box that holds the hd down to make room for the card in the mid size case. I'm gonna buy this card either tonight or tomorrow. I think the card comes with any extra adapters I may need based on the photos on newegg. I've heard the CPU I have is not the best for gaming. But I also have read it's pretty good. I wanna cover my bases here before I potentially fry my rig which is as appealing as running a cheese grater over my favorite body part. If I need to upgrade anything before I commit please let me know so I might avoid any disaster. Thanks again for all the help here guys!
 
Well, if you play it conservative with your PSU, you should be alright. That means, coming nowhere near what it's rated capacity is. Any chance you can get the specific make and model so we can look it up, or would you be able to read the sticker that usually lists out the total amps available on the different voltage lines from the side of the PSU? We're interested in the 12V amp capacity, as that's what your graphics card is going to be tying into to draw it's power. :)