Palit GeForce RTX 3070 GameRock Ethereum Mining Rig

The recent craze on GPU mining for Ethereum and the resulting Nvidia RTX 30 series shortage as well as pretty much anything else with decent mining performance for Ethash is in full on mode. Still we have managed to get our hands on a few Palit GeForce RTX 3070 GameRock GPUs and built a 6x GPU mining rig using them for ETH mining, so below we share some interesting things including the Ethereum mining hashrate we got and the optimized settings for the RTX 3070 and more specifically the GameRock series from Palit that we have used. As you can see from the photo above the GameRock is a bit flashy in terms of design due to the large RGB lighting surface. A feature which might be of interest for a gamer, but is totally not required by a miner as it makes no different whatsoever in terms of performance. Still, the good news is that the cooler of the GameRock GPUs from Palit is with a large surface area and does a great job in keeping things cool and the fans are also dual ball-bearing ones and perform really well.

An single optimized Palit GeForce RTX 3070 GameRock GPU can do a little over 60 MHS with ease with a little tweaking with the help of the MSI Afterburner software. At TDP of just 55% or almost half of the standard power usage these video cards manage to perform really well as far as Ethereum (ETH) mining is concerned with a bit of overclock for the video memory as well – +1100 MHz. The lowered power usage results in lower GPU performance, but RTX 3070 is more than capable of utilizing the fast GDDR6 memory it has with a 256-bit wide memory bus fully to get you about 60.6 MHS mining the Ethash algorithm. No need to overclock or underclock the GPU, though for further power usage optimizations you can also try lowering the operating voltage of the GPU a bit, though not really required (can probably save up to about 100W of power usage for the whole rig).

So with cooling fans set at 75% and a TDP of 55% with +1100 MHz for the video memory you get extra cool and power efficient GPUs mining at over 60 MHs with a total power consumption a little shy from 1000W at the wall (can depend on the PSU efficiency) or a bit over 360 MHs for a 6x GPU mining rig using Palit GeForce RTX 3070 GameRock video card. The screenshot for the hashrate is with the use of the latest PhoenixMiner 5.4c and mining Ethash on NiceHash…

The only thing that might be better than the RTX 3070 is the RTX 3060 Ti (in that price/performance range), however the 3060 Ti are even harder to obtain due to their slightly lower price and the same mining performance for Ethereum (ETH). The reason being that RTX 3060 Ti features the same GDDR6 memory as the RTX 3070, but has a slightly stripped down GPU. That however does not interfere with Ethereum mining as the GPU on the RTX 3060 Ti still manages really well even with 1000 CUDa cores less. Do note that the RTX 3060 is not that goof of an alternative as unlike the 256-bit memory bus that the Ti has, the regular non-Ti version has just 192-bit memory bus and the hashrate does suffer from that, so no 60 MHs on the non-Ti models!

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