Crypto mining with multiple eGPUs - Building mining rig
I'm new to this forum and this will be my first topic. I'm also new to the mining scene and this will be my first mining rig.
I have three Aorus RTX 3080 Gaming Boxes and want to build a mining rig with them. I'm going to buy everything from scratch so any recommendations on motherboards, ram, cpu, psu combinations are greatly appreciated. I want to make this as cost-effective as possible but definitely not cheap out on the important bits.
I haven't really seen any examples on the net where people used multiple egpu's to build rigs. Ideally I want to connect all three eGPU's into one motherboard (optionally add an internal gpu as well), is this possible? If so, what extra components such as risers, thunderbolt adapters do I need and how do I set them up properly? Please don't mind replying as you're explaining it to a kid. If it's not possible, what are my options?
Also what precautions should I take against any potential fire hazard?
@emre_altuntas, I know it's possible to to use a Razer Core X with a GTX 1080 and a BlackMagic 580 Pro with a 2018 Macbook 15" through Windows 10 mining Ethereum. Not sure about running a 3rd eGPU as I don't have one to try out.
@xartic1, Interesting. Do you have to work around Windows resource issues (like error 12) as you add more, or once the problem is solved, then you can add another? (I've got to get my first one running first, lol, but if I succeed at that, it would be interesting to just be able to get another and add on.)
@cgwerks, What else are you trying to add? I originally setup the Razer Core X to game on my 2018 15" MBP through windows. I did downgrade macOS to 10.13 to be able to use Nvidia drivers since 10.14 and above removed them.
I then bought a 2019 16" MBP so I didn't really need the 1080 in the Razer Core anymore so I used my 15" 2018 MBP to start mining ethereum with the 1080. I came across a great deal on the BlackMagic 580 pro so getting the usable in Windows was quite the pain. I have parallels so dropping the pci.sys file from another thread was easy using parallels desktop. I use the BootCampDrivers (red) for both the 5500M in the MBP and the 580 Pro. I did this entire setup on my 2018 Macbook as well so it was a much faster process since I already knew the workaround using AMD EGPUs on the Macbook. I literally plugged the 580 Pro in, as well as the 1080 in the Razer Core and both of those EGPUs were found by windows fairly easy.
After the error 12 was resolved the the 580 Pro (using the pci.sys file) I never have had an issue running dual EGPUs in Windows 10.
@xartic1, Wow, good to hear. Currently, I'm just trying to get my Blackmagic (580 Pro) working with my 2018 mini. If I get it going again, I'm going to do some mining. I was thinking it would be worth it to keep an eye out for another (I've seen them used, but I think they still sell them new, or find a Blackmagic eGPU Pro). If it adds that easily, that would be a nice boost in mining output. Probably better off just saving up for a PC gaming rig or something though.
@emre_altuntas, I'd try and get a cheap and used 2018 Mac Mini. I'm currently using my 2019 Mac Pro with 2x eGPU's for mining when it isn't doing real work (using NiceHash in bootcamp, btw). Apple has really, really good thunderbolt implementation. Either the Mac Mini or 2016-2017 macbook pro. Just something with 4x thunderbolt ports and run bootcamp or linux.
@t430up, The 3080 and 3090 Aorus gaming boxes are water-cooled and while taking them out to put into a desktop is possible, it isn't trivial to find a air cooler or different waterblock, in addition to the PCIe bracket.
@dregpu, I'm not a miner but curious how eGPU would work in a mining setup so I hooked up two AORUS RTX Gaming Boxes to my Threadripper 1950x + dual Radeon VII desktop. One of the two eGPUs encountered error 12. The three graphics cards can consume over 1,000W so power management as well as thermal management is very crucial to keep it running 24/7. Earning estimate is $30/day on this through Nicehash Miner.
I left it running for 24 hours to stress test the setup. Earning average was $28.14 per day with an accepted speed of 302.1454 MH/s through Nicehash. Power consumption was 22.31 KWH through Kill A Watt meter. Energy cost in my area is $0.1146 per KWH so the setup costed $2.56 per day.