Power Consumption Help

[Victory]

Hello all,

I'm in need of some help. I'm thinking about making an upgrade to my system, but I'm unsure if my power supply will have enough power for the changes I'd like to make. 

 

Here's my current build:

 

• Intel Core i7-4770k @3.5GHz

• 16GB Corsair Vengeance RAM (x2 8GB Sticks)

• NVIDIA EVGA GTX 780 Ti SuperClocked Edition

• GIGABYTE Z87 U3DH

• x2 256GB Samsung 840 Pro (Raid 0)

• Seagate 2TB 3.5" 7200RPM Hybrid Internal Hard Drive

• Corsair AX860i Platinum Certified

• Corsair H100i (with x4 push-pull Corsair AF120 quiet edition fans)

• Corsair M95 Gaming Mouse

• Corsair K95 Gaming Keyboard

• Windows 8.1 Professional 64-bit

• LG 34UM95-P 34" Ultra-wide monitor.

 

What I'd like to do (and I'm thinking about doing) is purchasing another 780 Ti and putting the two cards in SLi, and also purchasing another two sticks of 8GB ram to give me a total of 32GB. 

 

Obviously I've only got 860w of power to play with so my question is can the power supply "support" the upgrade?

 

Thanks,

 

Victory

[-TesseracT-]

Yes. It will be fine.

[xToFxREAPER]

Hello all,

I'm in need of some help. I'm thinking about making an upgrade to my system, but I'm unsure if my power supply will have enough power for the changes I'd like to make. 

 

Here's my current build:

 

• Intel Core i7-4770k @3.5GHz

• 16GB Corsair Vengeance RAM (x2 8GB Sticks)

• NVIDIA EVGA GTX 780 Ti SuperClocked Edition

• GIGABYTE Z87 U3DH

• x2 256GB Samsung 840 Pro (Raid 0)

• Seagate 2TB 3.5" 7200RPM Hybrid Internal Hard Drive

• Corsair AX860i Platinum Certified

• Corsair H100i (with x4 push-pull Corsair AF120 quiet edition fans)

• Corsair M95 Gaming Mouse

• Corsair K95 Gaming Keyboard

• Windows 8.1 Professional 64-bit

• LG 34UM95-P 34" Ultra-wide monitor.

 

What I'd like to do (and I'm thinking about doing) is purchasing another 780 Ti and putting the two cards in SLi, and also purchasing another two sticks of 8GB ram to give me a total of 32GB. 

 

Obviously I've only got 860w of power to play with so my question is can the power supply "support" the upgrade?

 

Thanks,

 

Victory

Itll be fine im playing with an RM850 watt and some pretty hefty oc's on everything (look at my sig)

[FlashingKool_Z]

It will be more than enough 

[Victory]

Yes. It will be fine.

 

Itll be fine im playing with an RM850 watt and some pretty hefty oc's on everything (look at my sig)

 

It will be more than enough 

 

Thanks guys, I really appreciate the quick response! 

[twoscoops]

Yeah, go for it. Nice spec by the way.

[Samfisher]

You can add in 2 more 780Ti's and it would be fine too, but would be hitting just about the limit.

[Victory]

Yeah, go for it. Nice spec by the way.

 

Thanks 

 

 

You can add in 2 more 780Ti's and it would be fine too, but would be hitting just about the limit.

 

Haha, I don't know about that! 

Thanks.

[tobben]

You can add in 2 more 780Ti's and it would be fine too, but would be hitting just about the limit.

no? the 780 ti has a tdp of 250 watts, why would you try and deliberately blow your system up, especially when playing with such expensive hardware. Maybe in a gaming scenario where the 4th gpu isn't being used and the third gpu is at 40% load, even that would be silly. Certainly not in a compute application.

 

he will however have plenty for two.

[Samfisher]

no? the 780 ti has a tdp of 250 watts, why would you try and deliberately blow your system up, especially when playing with such expensive hardware. Maybe in a gaming scenario where the 4th gpu isn't being used and the third gpu is at 40% load, even that would be silly. Certainly not in a compute application.

 

he will however have plenty for two.

 

And the 7950Boost had a TDP of 225w, and I had 2 OC'd, with an OC'd 3570K and all on load barely took 450w.

[SkimmyMcG]

When in doubt I use http://images10.newegg.com/BizIntell/tool/psucalc/index.html or the Cooler Master one. Nice system by the way.

[tobben]

And the 7950Boost had a TDP of 225w, and I had 2 OC'd, with an OC'd 3570K and all on load barely took 450w.

and that's a 7950 not a 780ti, the tdp is pretty much just the maximum amount of power it can draw, not necessarily what it will draw, considering the 780ti is a monster compared to the 7950 it will be closer to that threshold, and if 2 oc'd 7950s and a 3570k pulls 450w how on earth would 860 be enough for 4x 780ti's?

[Samfisher]

and that's a 7950 not a 780ti, the tdp is pretty much just the maximum amount of power it can draw, not necessarily what it will draw, considering the 780ti is a monster compared to the 7950 it will be closer to that threshold, and if 2 oc'd 7950s and a 3570k pulls 450w how on earth would 860 be enough for 4x 780ti's?

 

Well if you read my post properly, I said adding 2 more, for a total of 3.  I have no idea where you got the idea I was recommending 4 780Ti's.  OP has ONE 780Ti on his list.

[tobben]

Well if you read my post properly, I said adding 2 more, for a total of 3.  I have no idea where you got the idea I was recommending 4 780Ti's.  OP has ONE 780Ti on his list.

op is asking if he can sli with that psu. You said add two more and it will still be fine, which makes a total of four, he's not asking if he can run a single 780ti off of a corsair 860w psu.

 

atleast we got that cleared up, reading the thread helps.