# GTX 1080 and vray RT

**URL:** <https://forums.chaos.com/t/gtx-1080-and-vray-rt/60236>\
**Category:** General\
**Created:** [September 23, 2016, 1:52pm UTC](https://forums.chaos.com/t/gtx-1080-and-vray-rt/60236 "2016-09-23T13:52:37Z")\
**Posts on this page:** 1\
**Showing post:** 88

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**Author:** ![BBB3](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/bbb3/32/58232_2.png) [@BBB3](https://forums.chaos.com/u/BBB3)\
**Post date:** [September 29, 2016, 1:00pm UTC](https://forums.chaos.com/t/gtx-1080-and-vray-rt/60236/88 "2016-09-29T13:00:56Z")

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> [@VRay Light Material Opacity and Z Depth](https://forums.chaos.com/t/vray-light-material-opacity-and-z-depth/52377/3):
>
> i have a 850 W, can runa few cards

But one Titan X alone needs 600w, right?

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