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Potential problems with my "future" gtx 970

powerport01
By powerport01
in Graphics Cards
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Go to solution Solved by Enderman,

Just because it has 2x8 pin power connectors does not mean it will use anywhere near 300W.

It CAN reach 300W though if you overclock it, which is when the 2x8pin power comes in useful.

Posted

I'll now really looking at the Zotac GTX 970 Omega for a possible future upgrade for my gaming and rendering - CUDA

 

 

 My PSU has only 400w of 12v power and yes i know that the card only uses 145w 

but the PSU have only 1X6 pin(75w) and 1X6+2Pin (150w).

the big problem arises when considering the Zotac GTX 970 Omega have 2X8 pin(2X150w)

which would give me a total 300w (75w+75w+150w) vs 145w of what reference is.

note:PCIE 16X lanes by outputs 75w 

 

my setup:

Intel i5 2320 @3.0GHz ~95w

500gb WD blue

240gb samsung 840 evo

2X4GB Ram

3X120mm fan

1X140mm fan

cooling: H100i (240mm)

 

For those asking why the hell did i get h100i for that cpu : i just felt like it :)

 

My questions are:

1) Can i actually get away with plugging in only 1X6pin and 1X6+2 pin connectors?

2) Is there a possibility of instability due to not plugging the correct connectors?

3) assuming the 300w (75w+75w+150w) works will i reach the power limit if i were to overclock( no voltage tweak to minimal teaks)

5) where is number 4?

 

 

 

Thanks everyone taking their time reading my post.

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  • Solution

Just because it has 2x8 pin power connectors does not mean it will use anywhere near 300W.

It CAN reach 300W though if you overclock it, which is when the 2x8pin power comes in useful.

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just take a new psu, you not gonna make it happen with that psu and why the hell did u get h100i for that cpu? :ph34r:  

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What PSU have you got? By the connectors you have, it is probably a no name brand and you should get rid of it. Don't skimp on a cheap PSU. You will regret it.

Rig: i7 2600K @ 4.2GHz, Larkooler Watercooling System, MSI Z68a-gd80-G3, 8GB G.Skill Sniper 1600MHz CL9, Gigabyte GTX 670 Windforce 3x 2GB OC, Samsung 840 250GB, 1TB WD Caviar Blue, Auzentech X-FI Forte 7.1, XFX PRO650W, Silverstone RV02 Monitors: Asus PB278Q, LG W2243S-PF (Gaming / overclocked to 74Hz) Peripherals: Logitech G9x Laser, QPad MK-50, AudioTechnica ATH AD700

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maybe if you bought some molex --> pcie power adaptors, then you will be good to go

CPU:  i7 5820k  @4.0Ghz Cooler: Thermaltake Nic C5 Motherboard: MSI X99A SLI PLUS  Ram: 8 gb @2133Mhz GPU: Gigabyte GTX 970 G1 @1560  Case: Proprietary Sun Ultra 24  Storage: HyperX 120gb & 1 TB WD Green PSU: Cooler Master 550w 

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