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Found these weird 2080 ti cards on AliExpress: 1) https://bit.ly/2WzlEjF 2) https://bit.ly/3bfVdn8

Hi All, I just did my first hard tubed water cooling build. I finished this yesterday and leak tested it for 3 hours no leaks at all. Yesterday I played games and there was no issue at all. I had put paper in my computer for the night to check for leaks. This morning i checked for leaks, i didn't see any leaks. However, when i started my computer this morning a weird buzzing sound came from my graphics card accompanied with no signal. My computer can boot and I have signal via the mainboard HDMI connector, but my gpu isnt detected in the device manager. I checked my bios (maximus xi) and it doesn't detect my gpu. I also tried different cables from my psu to my gpu (power leds are white), no effect. I do run the gpu via a vertical mount bracket with a riser cable (which i use for the first time), could the cable/pcie slot bracket suddenly be causing this issue? Do you guys have any tips? Thanks

I originally was going to go with a higher end build with RTX2080 ti and i9-9900k but I decided I won't be using 4K so that might be overkill. Is the RTX2080 good enough to run max settings in 1440 with over 60fps in all games? Which CPU is the next step below the i9-9900k? My hope is to be able to run all games in 1440 at least 60fps, I'm only interested in the newer hardware though. One more thing, I have no interest in AMD, only the newer Intel CPUs.

Hello there, I have now for about half a year experienced a phenomenon which I am completly lost to understand. What happens: I fire up my computer and everything is fine for the first 2-3 hours. Then, my GPU (2080 ti Black) has sudden performance drops. Drops happen under slight to heavy load - only browser usage is fine. I attached a screenshot in the attachmentts where you can see what I mean. all my 3 Displays (2 x 1080p, 1x1440p) freeze for about 1-3 seconds, and everything is back to normal. Therse performance drops happen about every 30 seconds to 2 minutes. What is my setup: CPU:Intel Core 8700k Motherboard: MSI Z370 Gaming M5 RAM: 2 x 16 GB GSkill neo 3600 CL 18 GPU: 2080 TI Black PSU: BeQuiet Straight 11 1000W Harddrive: 512 GB SSD (98% remaining "health") GPU - Cooling: Standard air cooling - Lian Li O11 dynamic with 9 case fans (6 in, 3 out) What I have tried so far: - I already reinstalled windows and all programms - tried a different harddrive as bootdrive - lowered gpu power usage and temperature - scaled down graphics ingame for less load (but as I said the amount of load does not matter) - opend up case while gaming for more air flow - checked if all fans work correctly - cranked up gpu fan speed to max - upgraded from old 2400mhz ram to 3600mhz - upgraded PSU from 650W to 1000W - different cables for power delivery - used different PCIE slot on the motherboard - resetted all bios values (no OC whatsoever) - updated BIOS - (ofc checked drivers and tried different versions) - (ofc cleaned all the case fans, gpu fans from dust) Additional Information: - screenshot was taken during Borderlands 3 gameplay - the second smaller drop was when I tabbed out - the performance drop is highlighted yellow - a restard of my system "fixes" the problem for about 10-20 mins - then the same problem occurs The last thing I can think of is: motherboard or gpu is broken. If you got any experience here or any kind of suggestion what I could try to fix this problem I would greatly appreciate that. Thank you for your time and have a great day, PhotonMan

From what I've read in previous threads, the general consensus is that a PC will run with two different graphics cards, however... it probably won't work in SLI and each card needs to drive its own monitor. So i'm guess on a multi-screen system (left = CAD Card and right = Gaming Card), if the CAD software is open on the left is will run better on the left than the right and visa-versa for the gaming software. I don't have enough experience with multi graphics cards system to ascertain if this is correct or not but my gut is telling me that this is not quite correct in relation to my use case. I won't be doing CAD and gaming at the same time and I would like to use both screen at the same time with the software stretched across two screens or one type of CAD software open on one and another CAD software open on the other. Background:- Designing a new air gapped, full PC system with two main purposes; high end CAD including Simulation (Flow as well as others) and high end gaming. Graphics Cards:- (both cards need to be connected at all times due to the system being sealed) for CAD: a P5000 or possibly a P6000 (if I can justify that, to myself) for Gaming: an RTX 2080 Ti Screens:- Two 27" screens (or a single curved equivalent)[and maybe an A4 sized-ish screen in portrait]. Scenario:- Do some CAD, close the software, click a switch (physical or otherwise), the computer switches cards without rebooting, play some tetris (as if I would use an RTX 2080 Ti for just tetris lol) My initial train of thought would be to have the screens plugged into both graphics cards at all times and some how control which graphics card is powered up. I'm hoping this can be done in software without powering down or maybe by adding a physical switch/relay etc between the PSU and the graphics cards; but i'm guessing the system will need to be powered down or else risk system death. However if I can keep the system powered up and use a physical switch without system damage... that would be ideal. My other idea was to have both cards powered up at all times (a bit wasteful) and have the screens permanently connected to both cards via some kind of KVM switch (not sure if that's still a thing, I had one back in VGA days, worked a treat). Hopefully this would shift the PC's card choice. If that would work then I could probably automate that with some kind of AutoIt magic or something. My third idea which is an option but I really really don't want to do, is design my case to have two systems inside and have a KVM switch to move between them. But this seems like a cop out to me. I'd rather try to get the single system to work than compromise. I posted this on here because i'm looking for some guidance, thoughts, ideas, nuggets of truth from folk who have done this type of thing before and succeeded or failed. Both the cards are really quite expensive and any info which could assist the design would be much appreciated. Your probably thinking "why don't you just use the RTX 2080 Ti for the CAD work"... I tried opening one of my smaller models on a sample machine at one of the CAD software re-sellers with an RTX 2080 Ti and is was clunky AF, properly unusable.