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Main problem with adapter is it's connector which is EOL now (end of life). It's more and more difficult to make this adapters. I still have original gerald adapter, but i can't sent it to US\EU regions simply because of PayPal\Postal restrictions and that i closed all my VISA\Mastercard cards after they left country (can't accept payments).

No. You need two same GPUs. You have to connect eGPU to you monitor/TV. This way games use eGPU. If you just add eGPU to system - games will run on dGPU and picture will be on laptop display. I used fake HDMI adapter (so, system think it is real display) switch main display to fake and move game window on it. BUT, signal go on dGPU anyway (performance drop). I didn’t want to also buy new monitor.

I still have got my original adapter from Gerald. May sell it if someone need it. Sent me P.M.

Photo?

@Swung Huangmay still manufacture them. Sent him P.M. I still have got original one from gerald. No longer use it.

Need information about you NVIDIA driver version. I got more negative from that then positive. It's phisicly connected to display. When i got it disabled - display feel slow refrash rate. Like with Microsoft default driver installed. Yes, but it required extra actions depends of you driver. I always used last driver availible, but since NVIDIA cut Kepler from them - i have to add my GT 650M manually. That way it install driver for both: GT 650M and GTX 1080 Ti. Then i apply Error 43 fix and MUST go to Windows Group policy and disable update driver for specific GUID - GPU. If i will not do it - Windows detect that driver modded and reinstall driver from it's data base (some old, outdated driver). Also, it's possible to disable dGPU (GT 650M) in device manager. P.S. Important! To update driver you may need to revert restriction in Windows Group policy. Without that even user can't reinstall driver.

This is difficult question. You may find this "ideal" GPU, but it's already medium power compare to today standard. Another option is get best on today and use it. It will bottleneck, but system in general is slowly dying. Later you just move GPU in desktop and sell laptop. Same with PSU. I got 430W just for GPU, but it's low for my current system, so i got second PSU - 850W. P.S. I don't know if PCIe 4.0 GPU work with this adapter. If not - upper limit will be... Titan V\Radeon VII? =)

Yep, like my. I no longer use my adapter, since laptop BIOS is bricked. Already sold CPU and RAM from it. @StBalthazar, @Swung Huang adapter is best option for you since it's connect both HDD and eGPU to laptop.

I got Sapphire Radeon R9 380X card. I bought it just to test with @gerald adapter on PCI Express compatibility. Card is old, was repaired, but still in working condition (i complete Mass Effect: Andromeda with it). Card itself support both PCI Express 3.0 and DirectX 12 and GPU-Z indeed see it max bandwidth as x16 3.0, but card work only at x8 2.0 (5 GT\s). So, maybe difference between GeForce and Radeon how maximum working bandwidth is shown to user. Radeon show everything, GeForce show only it's working conditions. I also must say, that after i install driver for Radeon i didn't got Error 43 on card. Simple and easy. I got UL 3DMark Advanced Edition benchmark and it's PCI Express test, so i actually tested bandwidth for both: EVGA GeForce GTX 1080 Ti SC2 Gaming and Sapphire Radeon R9 380X. It's same - 3.28 GB\s.

My system work fine. I got few strange problems with game Mass Effect Andromeda, when during some cut scenes picture freeze and GPU is disconnect in the system, so i have to reboot. I saw it only in this game. I tested few settings (Ultra, High), but at the end i set Ultra settings and it's fine now. You got such behavior only in one game?

Nah... i am O.K. with a switch. I finally did it, but posted small video in another topic. I just connected switch to brown cable.

I want to return back to PCI Express 2.0 problem on Lenovo Y500. My CPU and GPU clearly support 3.0, but for some reason system allow only 2.0 connection. Recently der8auer released video where he installed Intel NUC 9 in desktop motherboard (mini PC inside PC) and GTX 1050 Ti. NUC 9 steal some PCI-E lanes so GTX 1050 Ti work only as x8 3.0, then he tape few pins of NUC PCI-E and installed it again and after that GTX 1050 Ti got x16 3.0. So, maybe because of dGPU always present in system Y500 have got 2.0?

I just found time and work a bit with fan speed switch. I added it on brown wire. Fan model is not original, i used Delta fan. My keyboard wasn't fixed, so i can switch it ON and OFF just by lift keyboard. Results: Cinebench R15 3,5-2,7 GHz STD fan mode - 552 points (NTR_0 in ThrottleStop) Frequency drop Temp: 82-87C (delta 5C) 3,5 GHz Max fan mode - 629 points (NTR_1 in ThrottleStop) Temp: 88-94C (delta 6C) Cinebench R20 2,7 GHz STD fan mode - 1 049 points (NTR_0 in ThrottleStop) Temp: 79-84C (delta 5C) 3,5-3,3 GHz STD fan mode - 1 337 points (NTR_1 in ThrottleStop) Temp: 100-103C (delta 3C) PROCHOT 3,5-3,4 GHz Max fan mode - 1 332 points (NTR_1 in ThrottleStop) Temp: 96-101C (delta 5C) P.S. Note that temp is high because i use Panasonic GraphiteTIM (soft-PGS) instead of regular thermal paste.

Are you stay forever on laptop? You can go another way - get GPU for you desktop. It will work in adapter too, but you don't need to sell it later. Just transfer in desktop. Also, on one Russian site was nice review of HL:A and 20 GPUs in VR. You may look table at the end. Here is link: https://3dnews.ru/1010227

Fan control actually may be good. After few BIOS updates i lost current RPM. I no longer see it in software. I still using my Y500 + GTX 1080 Ti, but most of hardware for PC are collected (Motherboard, RAM, PSU). Currently i wait for decent CPU (maybe Ryzen 9 3900XT). After that i install stock Windows, clean laptop and sell it. P.S. Few weeks ago i founded docs on my laptop. I bought it in 2013 year. It's still alive for a long time.