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psu 550w for gtx560 (non ti)

post #1 of 6
Thread Starter 
Well i have a very very bad psu (when i bought my pc i didnt know about amps)and it has 2 12v rails of 1 18a and the 2nd 20a and i dont know if my psu can handle gtx 560 i contacted nvidia for gtx460 and they said its sufficient but i dont trust them........ oh and btw it has 1 pci-e connector i was about to use a cable convertor(no money for new psu and i know my current is for the rubbish)
post #2 of 6
What is the exact PSU (brand and model)? 550W itself is plenty for a "typical" PC with that video card as far as wattage alone is concerned. It depends on what PSU it is, as not all 550W PSUs are equal, nor are all even "actual" 550W units.
post #3 of 6
Thread Starter 
well i am 99% sure it is 1 of the worst brands for psuS its a PREMIER DR-8550BTX
post #4 of 6
Thread Starter 
i think i will procceed with a gtx 460 as mypsu can handle this.....
post #5 of 6
The power use of a 460 and 560 are just about identical. I would ask about your specific model in the PSU section and see what they say there as to whether or not your PSU is up to the task.

Now on the GPU side of things, I would go with a 460 over a 560 nonti assuming your PSU can handle it. The 460 and 560 have identical clock for clock performance and the 560 can only clock around 50Mhz higher on average but still costs much more than the 460. This is just about the best 460 1gb available IMO and is a much better value for money than a 560 once both are overclocked.
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post #6 of 6
Quote:
Originally Posted by ShadowSora13;15308443 
well i am 99% sure it is 1 of the worst brands for psuS its a PREMIER DR-8550BTX
While I wouldn't trust that PSU any farther than I could throw it, it should have enough power. To power a system that has one GTX 560 in it (non Ti) or one GTX 460, NVIDIA recommends a power supply that has a peak capacity of 450W which is 100W less than your PSU's peak capacity.

However, I'd be careful: don't overclock, and don't run any stress testing programs like Furmark or anything. The most demanding thing you can do is gaming.

In other words, you have enough power to get the non-Ti version of the GTX 560. You might even be able to use the 560 Ti (NVIDIA recommends a PSU with a peak capacity of 500W), but I don't know anything about this PSU so I don't want to risk it.
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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