• Competitor rules

    Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.

Will I need to upgrade my PSU for the 780ti?

They do not just spit out a higher number for the PSU, its to give headroom for OC and as not all PSU's are made equal.

I would not trust a no-name 1000watt PSU to be anywhere near 1000watt and at end of the day its the Amps on the GPU 12v rails that matters.

Would a good 500watt be safe, probably yes but risk all your hardware if/when it blows.
 
Go all out and get this, the best money can buy 650watt and Triple fans!!!!!


1zdb1n5.jpg
 
Your rig you've quoted will use <350w when running. Graphics cards when overclocked and overvolted use a hell of a lot more over stock, if you're planning on overclocking and playing with high voltage then get a different PSU (or if you want silence, as that PSU is noisy)
 
If you're keeping stock voltage on the GPU or sticking to Nvidia's 1.21v then it wont really draw *that* much more tbh.

Run your 4770k + stock 780ti and see what you're drawing from the wall. Not prime+furmark loads, gaming loads/3D11 etc. Then run again without extra volts but overclocked. See what the difference is.
 
OP you need a decent 750W + PSU. Ocing your CPU will use a lot of power up & the 780 Ti needs a decent 600W PSU (780Ti draws 250W alone but when oced it uses a lot more than that!!).

All PSU do not produce 100% efficency (80-90% at best is the average even on high end models) so to save any hassle from PSU issues try to buy a much stronger & more expensive PSU look to spend around £130-150+ otherwise you could well end up causing damage with a PSU which does not supply enough amps.

If an inferior PSU blows under heavy load it can potentially damage/destroy: CPU/GPU/RAM/motherboard or several of those at once.

Never ever skimp on the PSU ;)
 
Same old speculation all the time you need this you need that. I will leave you with this

[email protected]
Sli 780ti just under max overclock running Heaven 4
Gigabyte Z87X-OC Force
16GB TeamGroup Vulcan 2400MHz
2x SSD
2x HD
Creative Sound Blaster X-Fi Titanium HD
8x Phanteks 140mm fans 100%
2x BitFenix Alchemy Premium Modding LED Strip
Samsung Ultra Slim External optical

Pulled 670watts max




Make your own mind up! i did and got a Corsair AX1200i Digital lol
 
Last edited:
Dicehunter said:
But there's proof in the video, It's not hot air there's actual proof from a digital readout :rolleyes:
Click to expand...

Out of curiosity which PSU do you run?

I've said this time and again

The PSU is the heart of your machine - you don't cut corners and run the minimum required.

Why on earth someone would pay over a £1000 on a rig,
then try and save £30-40 is beyond me
 
I have a 4770k @ 4.6ghz and a 780ti at 1250\8000 and I barely see 400w being used.

A strong 12v line is what is required. Only amateurs buy PSU's based on the wattage...:)
 
Last edited:
whyscotty said:
Out of curiosity which PSU do you run?

I've said this time and again

The PSU is the heart of your machine - you don't cut corners and run the minimum required.

Why on earth someone would pay over a £1000 on a rig,
then try and save £30-40 is beyond me
Click to expand...

If buying the machine from scratch 100% agree, when upgrading an existing machine where the current PSU is strong enough, nope. As it's not £30-40 it's £100+.

My current PSU is a superflower 500w passive unit :)
 
You must log in or register to reply here.
Back
Top Bottom