Will an NZXT Kraken G10 work with an Asus GTX 780 DirectCU II GPU?

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xtobymc

xtobymc

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Jan 5, 2013
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I want to get water cooling for my GPU, but without the expense and hassle of setting up a fully custom water cooling loop. I've heard good things about the NZXT Kraken G10 alongside a closed loop liquid cooler, but I'm not sure about its compatibility. The NZXT website has a compatibility checker but when I search for my GPU it says the compatibility is "unknown" and mentions something about possible non-reference PCB's.

I did email NZXT and do some Googling, but I've had no reply and can't find anyone else using a Kraken G10 with the same GPU as me. It'd be great if somebody could let me know if the Kraken G10 will fit my GPU.

Thanks
 
Solution
nikoli707
gk110 is the code name for the nvidia chip inside all titans and 780/780ti. the gk110 overclocks extremely good, but it needs more voltage, and with higher voltage comes more heat. along with higher voltage, the chip needs a voltage controller and a power delivery system to feed the clean stable current. your asus is using a very decent quality digi+asp1212 voltage controller, i think its an 8+3 phase power design... but it is voltage locked. meaning, you cannot go past a certain voltage no matter what. there are no software hacks and no programs that will let you plug in a very high or extreme voltage, so the overclock will obviously suffer and be limited. this is basically a protection system asus decided to put in the card...
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AdamW33

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Just mounted it, fingers crossed.




 
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nikoli707

nikoli707

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though core temps are definitely better than stock air coolers, the reviews i have seen are very mixed and somewhat troubling for the g10+cpu cooler on gpus as it do not address vrm/mosfet cooling very well at all... at times worse than the nvidia/amd reference coolers.

also the asus gk110 video cards are using a voltage locked digi+asp1212 controller and i dont really see any benefit to the extra cooling as the gk110 will be voltage starved long before it sees a thermal bottleneck.
 
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xtobymc

xtobymc

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I have seen the reviews mentioning the VRM temperatures, and I have purchased some VRM heatsinks to go along with it. I'll have to see how it goes, if worst comes to worst I'll just put the stock cooler back on. Also, is it possible for you to explain that gk110 and digi+asp1212 stuff to me in a more simplified way, I apologise, I'm not really a GPU expert so the terms aren't familiar with me :/
 
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xtobymc

xtobymc

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Any luck? How did it go?
 
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nikoli707

nikoli707

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gk110 is the code name for the nvidia chip inside all titans and 780/780ti. the gk110 overclocks extremely good, but it needs more voltage, and with higher voltage comes more heat. along with higher voltage, the chip needs a voltage controller and a power delivery system to feed the clean stable current. your asus is using a very decent quality digi+asp1212 voltage controller, i think its an 8+3 phase power design... but it is voltage locked. meaning, you cannot go past a certain voltage no matter what. there are no software hacks and no programs that will let you plug in a very high or extreme voltage, so the overclock will obviously suffer and be limited. this is basically a protection system asus decided to put in the card, limiting the chances that the end user like you could damage the card from too much voltage. this is nice as a safety feature, but not if your trying to overclock. as for the extra cooling your trying to add, since you cannot plug in a high enough voltage to i turn create very high heat, i dont really see the point, unless are having temperature issues already from a hot home or poor case airflow.

there are other models of the 780s that are not voltage locked, have even more beefed up electronics, and can basically be set to very extreme voltage levels and hit very high overclocks, but only if you have the cooling to remove the heat that will quickly build up.
 
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juniorkirk

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Jan 9, 2015
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I just put a NZXT Kraken G10 on my ASUS GTX 780 DirectCU II and it works amazing. With the G10 it says to use their backplate which I did, but I've seen it were you can keep the backplate that comes with the GPU on it and still use the G10. Since I took off the stock backplate I had to jerry rig the heat bar that is on the voltage regulator (i think thats what it is covering) to keep it on since it screws into the backplate. I've been pushing my overclocking to an extreme and the highest temp I've been able to get the card to is 51c (use to run between 80-85c). In Far Cry 4 it stays around 46-48c, and with Kombustor 3 running for over 30 minutes it finally got to 51c. I would say this is the best investment I've done with my computer. Oh, I also am running an Corsair H90 (140mm rad) on the GPU, and my current settings in GPU Tweak are; GPU Boost:1200MHz (and gets up to 1306 MHz), Max GPU Voltage: 1212 mV, Memory Clock: 6158 MHz, Power Target: 110%, GPU Temp Target: 94c.
 
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