Upgrade Alienware X51 power supply

Hi!

This PSU is for internal use, while the PSU on the X51 is an external AC adapter. To be able to install this PSU you'll have to do several modifications to the system, including the chassis and the power connectors. 

This is definitely not a supported upgrade for this system as the Motherboard wasn't built for 600W. If you decide to try the upgrade the risks won't be covered in warranty. 

What would you recommend for me to use? I kind of just want to up my power supply because I want to swap out the stock graphics card for the GTX 760.

Do you mean something like this? http://www.artesyn.com/power/power-supplies/websheet/297/NTS500

Sorry, I know nothing about computers.

 That's weird that you state that the 330 watt doesn't support the NVIDIA® GeForce® GTX 760 Ti with 2GB GDDR5.

 When I go to customize a new Alienware X51 I select everything I have with the one I currently have and when I select the NVIDIA® GeForce® GTX 760 Ti with 2GB GDDR5 and view the order I see that the power supply that will be shipped is a 330 watt. So why are you saying that the 330 watt will not worked. I have even called into Dell support and was told that a 760 would be compatible with the 330 watt.

That's weird that you state that the 330 watt doesn't support the NVIDIA® GeForce® GTX 760 Ti with 2GB GDDR5.      When I go to customize a new Alienware X51 I select everything I have with the one I currently have and when I select the NVIDIA® GeForce® GTX 760 Ti with 2GB GDDR5 and view the order I see that the power supply that will be shipped is a 330 watt. So why are you saying that the 330 watt will not worked. I have even called into Dell support and was told that a 760 would be compatible with the 330 watt.

Let me clarify:

TheGeForce GTX 760 and GeForce GTX 760Ti were built for the X51 R2, not for the X51 R1. What I said above is the video card is not compatible with the X51 R1, regardless of the PSU. 

Hi, the gtx 660 ti it's not supported on the X51 R1? 

Hi, the gtx 660 ti it's not supported on the X51 R1?

Yes, the NVIDIA GeForce GTX 660 and GTX 660Ti are both supported by the X51 R1.

Really? Cause i'm having problems with mine, i have a Point Of View card 660 ti and doesn't work well, the computer suddenly shut down when i'm playing games, the fans start to go really fast,  then the screen turns black, and after a few minutes the system restarts. What brand u recommend for the card? This are the other components: i7 3770, 8gb of RAM and the 330W power supply.

From my experience, no need to upgrade anything to get the 760 running ... as long as you get the right one.

You are after the stock version of the GTX 760, that is, single fan, 2GB, non overclocked in order to minimize the power draw.  Usually this is the cheapest version the store has on offer, but doesn't matter cos it is going to be a significant upgrade over the original 555.  Mine was the Gainward.  Also make sure you're on the latest Dell Bios.  After that, it's a matter of plug and play. 

That being said, it's do at your own risk, knowing that it's outside the recommendations of Dell and NVidia.  

X51-R1, i7, SSD, HDD, 330W

Really? Cause i'm having problems with mine, i have a Point Of View card 660 ti and doesn't work well, the computer suddenly shut down when i'm playing games, the fans start to go really fast,  then the screen turns black, and after a few minutes the system restarts. What brand u recommend for the card? This are the other components: i7 3770, 8gb of RAM and the 330W power supply.

That's not the Dell version of the GTX 660Ti. We can't guarantee it will work properly because according to the specifications, it requires more power and the 330W PSU is not enough.

I recommend getting the Dell GeForce GTX 660Ti. You can use the part number I posted above to find the right card.

This is my exact problem but i have the official GTX 660

I have the same problem as him, but i have the dell 660

Hi i need to upgrade the power supply because i want to put in a GTX 780 and 16gb of ram. I am putting it in a new case and the old power connector has no means of attaching to new case so i need the internal power supply for that too. I was just wondering will it break or damage the motherboard in anyway or is it just not designed for that.

okay so the power board just converts/splits it into what an internal power supply does. (if that makes sense) and just wondering why dont you guys sell a 600W external power supply. I dont need a new power supply for the motherboard anymore because i can just get a 250W power supply just for the graphics card.