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123856
November 28th, 2012 07:00
Alienware X51 PowerSupply Question
Hello Guys,
i'm planing to upgrade my AlienwareX51 from a Geforce GT 545 to an Geforce GTX 650 Ti. I doubt that the 240 Watts PowerSupply will be enough to power the System with the new GPU, since i don't know how much more Watts the new GPU will need. My Question is: is this the right PowerSupply for my AlienwareX51?
The description says, that it will only fit for the Alienware M18X. But if i look in the UK version of the same PS it states that it'll fit for the X51 and M18X.
Before you guys ask, i've chosen the GTX 650 Ti for its low noise, low power consumption and low heat emission ans still does way more performance than the GT 545 (what is not a big deal at all ;), i guess my old Casio calculator is faster in rendering :D)
Greetings from Germany.
Sincerely How4rd :D


DELL-Chris M
Community Manager
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November 28th, 2012 08:00
How4rd,
The X51 and the M18x use the same 330w AC adapter.
How4rd
10 Posts
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November 28th, 2012 10:00
Thank yu for the quick reply. But i've got another question coming up. I went home and plugged one of those power consumption testing devices into the wallplug and tested how much Watts my X51 uses. I was really surprised when the display only showed, that my pc only uses ~130 Watts when under heavy load (~50 when idle).
So it seems, that i've got plenty of room for the GTX 650 Ti, do I? Since the GTX 650 TI doesn't uses that much power at all.
- How4rd
kameix1
191 Posts
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November 28th, 2012 11:00
Actually, the 650ti uses the same amount of power as your current gpu does. So, you can install it with the current power brick you have.
Tesla1856
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November 28th, 2012 13:00
Before you start buying stuff ...
Concider moving this machine to other use or purpose (or sell it) ... and buy or build a real tower that isn't so limited. You sound like a power user or gamer.
How4rd
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November 28th, 2012 13:00
@ kameix1: Age you Sure? The Gtx 650 TI is supposed top take up to 230Watts under full load - www.tomshardware.com/.../geforce-gtx-650-ti-benchmark-gk106,3318-18.html
@Tesla1856: You are absolutely right. I'm using the X51 as a second gaming Station, connected to my TV in the living room. :)
kameix1
191 Posts
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November 28th, 2012 14:00
From nvidia site
650ti Maximum Graphics Card Power 110 W
545 Maximum Graphics Card Power 105 W
www.geforce.com/.../specifications
www.geforce.com/.../specifications
Tomshardware shows the voltage for the whole test system (motherboard, cpu, hdd) Thats why it shows 238 watts.
Tesla1856
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November 28th, 2012 15:00
How4rd
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November 28th, 2012 22:00
Uh, yeah. You are right ... the chart on Toms Hardware is explaining that (Peak Total System Draw, in Watts) ... -_-
Thanks a lot :)
kameix1
191 Posts
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November 29th, 2012 04:00
btw, I have a gtx650ti ssc in my x51 and love it. I put in a i5 ivy bridge also when I put in the 650.
I upgraded from the gtx555. I wanted more power to run darksiders 2, but I didnt want to spend alot of money to get the 660 or 670. The 650ti is great, also its like half the length, so there is more air space in there for better cooling.
How4rd
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November 29th, 2012 05:00
I just ordered the Gigabyte GTX 650 TI (GV-N65TOC-2GI), wich is not as short as the Zotac GTX 650 TI AMP! but it's waaaaay cooler and also super silent like all the other 650TI.
How4rd
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November 29th, 2012 07:00
Wow! Thanks for the help :) I just ordered the EVGA Card. I'll test them both and send one of them back. I'm really looking forward to test both of them, but I see your point. I did not had the time to read a lot of reviews on the EVGA-Card but i hope that it'll be as cool and silent as the GIGABYE-card is supposed to be.
kameix1
191 Posts
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November 29th, 2012 07:00
Here is the evga card, notice how the fan sucks air in, then it is channeled out the back vents.
The card you ordered just blows air at the heatsink, the air is not channeled out the back of the computer.
kameix1
191 Posts
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November 29th, 2012 07:00
That card may not work, you need the blower type fan for the x51 (evga card)
kameix1
191 Posts
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November 29th, 2012 07:00
I have it in mine, its pretty silent. Alot less noise than the stock gtx555 thats for sure.
How4rd
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November 29th, 2012 07:00
You mean a card, that will blow the air directly out instead of whirling it around and depending on other fans which will then blow it out?