Is a 750 watt PSU Enough?
Hello again everyone, I've been posting a few threads to help me choose what specifications that I want in my new pc and everyone has been so helpful, thank you very much! Now that I know what parts I want I've been faced with a dilemma. Its either I buy a Corsair TX 750 watt PSU, or go higher? Now I do not plan on going Sli for a while so I think that I'll stick with 750, but is 750 enough for my current configuration?
-EVGA E-GEFORCE GTX 285
-ASUS P6T Deluxe Motherboard
-Corsair TX Series CMPSU-750TX 750W
-6GB Corsair TR3X6G1600C8D DDR3-1600 RAM
-Intel Core i7 920 Quad Core Processor 2.66GHZ
- Western Digital Caviar Black 640GB
-LG GH22NS30 Black SATA DVD-Writer 22xDVD+R
-Thermalright Ultra120 eXtreme-1366 RT Heatpipe Cooler
-NZXT Lexa Blackline ATX Case
I personally know nothing about wattage and amperage so any help would be appretiated. thx!
Yup that PSU is plenty. If you were going to go SLI I would think it is close, but in your current state you will be fine.
It's enough. I think even the HX620 can power that thing on stock.
It's more than enough. A HX620 can power dual 260s, a TX750 can power dual 280s.
If you want to have fun
Check this out:
eXtreme Power Supply Calculator Lite v2.5
It's a psu calculator, don't take it as 100% reliable, but it will give you a great idea of your power consumption.
With the information given, (with adding some fan and usb device), you take 441 on peak load.
As you can see, it's far less than 750w.
If we go SLI (285X2) we have jumped to 581W. But for security and long lasting for the current build 650 is excellent (not the SLI one)
Personaly keep a margin of 100W for ''further'' upgrades.
The HX620W I had was powering dual 260s with a Q9450 oc'ed to 3.9Ghz. I don't know about an i7 oc'ed.
Though my TX750 will power dual 260s and my i7 this week-end...
Yeah, those Corsair units are great for that. Single Rail, High Amp, clean power.
What more could you want from a PSU.
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