OTOY Forums

I would just like to add few comments.

In the netstor expansion box, 1000W supply is more then enough for 4 TITANs, I have it for more then a year and it performs rock solid. I changed the stock 1000W supply for a Seasonic 1000W supply only because the stock PSU was too loud.

Air cooling design of TITAN cards is sucking air from one side and pushing it to the other side, fans do not sit on top like on some other cards so card spacing is not so important as someone would think. Also cards in Netstor expansion box have more room between them compared to system motherboards.

Also network rendering route is a good option too, I have two GPUs on network running together with 7 GPUs in my system and it all works very well, the only difference is that samples from network cards kick in with a little delay. Fast network connection is important in this case.

I would like to know if it is possible to stick two netstor boxes into one system ? Would that work ? I plan on system upgrading.

I don't see why two Netstor boxes wouldn't work technically. It's just that Windows might start having trouble recognizing more than 8 GPUs directly attached.

Also, the newest Netstor (NA255A) comes with a 1200W PSU.

I just bought 3x780 6GB for 1000EUR (all three!). They are as fast as titans and on water I'll squeeze from them every single ms/s

I also have 2600k and it's still fantastic - 4.5-5ghz on water. Last month I bought used p8p67ws with 4 pci slots for 50eur.

So if you have 10k$ get
8x580 6GB = approx 4k$
2x asus ws p67 chipset mobo - you can get them for 50-100$ used
2600k used for...
4x480 radiators for 4x100 eur
dual d5 pump 150 eur
reservoir

Overclock them and you have power of 10-11 titans. And all is quiet and cool.

BorisGoreta wrote: In the netstor expansion box, 1000W supply is more then enough for 4 TITANs, I have it for more then a year and it performs rock solid. I changed the stock 1000W supply for a Seasonic 1000W supply only because the stock PSU was too loud.

..

Also network rendering route is a good option too, I have two GPUs on network running together with 7 GPUs in my system and it all works very well, the only difference is that samples from network cards kick in with a little delay. Fast network connection is important in this case.

nice to hear it works for You, as for other who had mor agresivelly clocked 780 that caused some problems (was a thread on the forum a while a go & netstor replied fem their side, that 1kW might be too little for four cards on some ovations..)

for the network yeah..I was testing with very low connections (wifi) & it was noticible drop.. even GPU load on the slave wasn't working always at 100%, sometime it dropped to 0 then again to 100%..

Gigabit network is recommended (seen Guys getting even more crazy)


@Smicha - Nice move! =)
& wise recommendations.

Does GTX 780 support Octane displacement as good as TITAN does ? I heard that some newer cards drop speed considerably when using displacement.

I mean what's the deal with 780 6 GB if it is the same speed and RAM as TITAN ? Why would anyone buy TITAN anymore ?

BorisGoreta wrote:Does GTX 780 support Octane displacement as good as TITAN does ? I heard that some newer cards drop speed considerably when using displacement.

I mean what's the deal with 780 6 GB if it is the same speed and RAM as TITAN ? Why would anyone buy TITAN anymore ?

It's about the same speed as the original Titan, but a Titan Black is faster. Not by a whole lot, though.

If you're doing anything that requires double floating point calcs, though, a 780 wouldn't cut it compared to a Titan Black. But if you're just using Octane, the 780 is a great deal.