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[Official] MSI GTX 780 Lightning Owner's Club - Page 335

post #3341 of 5050
Quote:
Originally Posted by Michalius View Post

Even overclocked you're only looking at ~750-800W at max load, which would be Furmark and Prime 95 at the same time. That PSU can draw over 1000W.

He has 2 cards though, 860w is enough for a single high clocked 780 in the system, sli can go well over 1000w depending on the overclocks. I was pulling ~ 1450w from the wall with 2 lightnings on water close to 1400 core at 1.4V benching 3dmark.
Quote:
Originally Posted by Stormblazer92 View Post

Thanks for the tip but after trying it without any memory OC I still get heavy artifacts in games and Valley, no matter what core voltage. Seems that mine won't go higher than 1140 core frown.gif

What are the temps like? On air try fan at 100%, the cooler the better for OCing.
Edited by FtW 420 - 4/4/14 at 2:28pm
    
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post #3342 of 5050
I'm using a rather aggressive fan curve that ends with fans at 100%@79°C though it never gets above 70° even in firestrike
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post #3343 of 5050
Quote:
Originally Posted by FtW 420 View Post

He has 2 cards though, 860w is enough for a single high clocked 780 in the system, sli can go well over 1000w depending on the overclocks. I was pulling ~ 1450w from the wall with 2 lightnings on water close to 1400 core at 1.4V benching 3dmark.
What kind of CPU though? He's running a consumer socket. I'd assume you were running enthusiast socket, which can draw more than 300W above an OC'd consumer socket. Plus, I don't think many would be very keen on putting 1.4V into air cooled 780s.

OC'd to gaming standards, those 780 lightnings should only be pulling about 250-300W a piece.

But, if the PSU pooped out, the PSU pooped out.
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post #3344 of 5050
I'm running a 4770k at 4.2ghz. Like I said, I was pushing +300 core +150 memory and my PSU died. I exchanged it since it was only a week old, but I'm taking it easy on the OC until I can get a 1200w psu.
Edited by milkyxj - 4/4/14 at 4:14pm
post #3345 of 5050
Quote:
Originally Posted by Michalius View Post

What kind of CPU though? He's running a consumer socket. I'd assume you were running enthusiast socket, which can draw more than 300W above an OC'd consumer socket. Plus, I don't think many would be very keen on putting 1.4V into air cooled 780s.

OC'd to gaming standards, those 780 lightnings should only be pulling about 250-300W a piece.

But, if the PSU pooped out, the PSU pooped out.

Can't remember which cpu I was using at the time, mostly playing with 3930k, 4770k or 4670k since getting the lightnings.
1.4V into air cooled is getting up there, I wouldn't advise it either, just an example. I still had pretty decent air temps with 1.35v, I stopped there though since i had water blocks & the pot handy so no need to push it too hard on the TF4 cooler.
A little overkill on the PSU is safer than underkill though. Efficiency may drop a bit, but less annoying than lack-of-power shutdowns.
Or PSU death tongue.gif
    
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post #3346 of 5050
I bought a MSI Z87 XPOWER this week due to a 33% off sale. It looks so nice with the Lightnings smile.gif

The temperature of the top card is now two degrees less than the temperetaure from bottom one both are cool now though. I can only recommend using a board which has 3 slots between the two slots used for SLI if you are on air cooling. thumb.gif

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post #3347 of 5050

Looks nice.

post #3348 of 5050
Quote:
Originally Posted by NapalmKitteh View Post

Is there a way to keep the Lightning logo a solid color of my choice, for example keep it a solid blue?

This is my first post on these forums, please be gentle wink.gif

You can't set it to the color of your choice. That would be a neat feature. It will stay a solid green on the ln2 bios I believe. I've had my waterblock on for a while so my memory may be a bit fuzzy.

Quote:
Originally Posted by Stormblazer92 View Post

Thanks for the tip but after trying it without any memory OC I still get heavy artifacts in games and Valley, no matter what core voltage. Seems that mine won't go higher than 1140 core frown.gif

Have you tried setting afterburner to extended and upping the voltage to 100? Unfortunately, it does sound like it might be a poor clocker.
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post #3349 of 5050
Quote:
Originally Posted by anubis1127 View Post

Looks nice.

Thanks i appreciate that. smile.gif

The system is pretty much "done" now. The only thing i will maybe change is replacing my current RAM with the Avexir Core Series MPOWER Edition with yellow LEDs.


Quote:
Originally Posted by Bishop07764 View Post

You can't set it to the color of your choice. That would be a neat feature. It will stay a solid green on the ln2 bios I believe. I've had my waterblock on for a while so my memory may be a bit fuzzy.
.

Yeah, beeing able to change it to the color of your choice would be very neat. Just imagine it beeing yellow drool.gif

btw when i was benching at 1411/1.36v the logo turned red biggrin.gif
Quote:
Originally Posted by Stormblazer92 View Post

Thanks for the tip but after trying it without any memory OC I still get heavy artifacts in games and Valley, no matter what core voltage. Seems that mine won't go higher than 1140 core frown.gif

1140 would be very very dissapointing for a Lightnung, heck even a decent reference card can reach those clocks.
Try upping the voltage in AB, i actually can't imagine your card not beeing able to hit at least 1200 core. Have you looked up the ASIC of your card?
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post #3350 of 5050
Does anyone else have a problem with the card idling rather high? I'm running skyn3t's rev4 ln2 bios for hynix cards and my card idles anywhere from 40 to 43. It seems to be neglecting the proper idle state because it idles at 980 mhz and .950 volts. I've noticed previously that after a crash from benchmarking that it idles properly. Anyone have any ideas? It isn't really an issue now, but with the summer months approaching, I'd like to keep things as cool as possible.
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