8x GPU Nvidia Mining Rig With Asus PRIME Z270-A

14 May

NiceHash have published some interesting experiments they have done recently, building an 8x GPU mining rig using the Asus PRIME Z270-A motherboard. This motherboard has 7 PCI-E slots as well as two M.2 SSD slots and they have utilized the 7 available PCI-E slots and one of the M.2 slots with an adapter to get 8 video cards working. Their experiment was with 8x Nvidia GeForce GTX 1060 on that particular motherboard from Asus, though other cards will most likely work as well just fine. With the recent price spike and unavailability of cheaper 6x GPU motherboards for mining people are already looking into more expensive alternatives that work well for six or even more GPUs like this model from Asus for example.

It is interesting to note that one of the M.2 slots was turned into the PCI-E slot by using cheap M.2 to the PCI-Express adapter that can be purchased from Chinese sellers on Ebay pretty cheap. You should however be careful if/when using such adapters as sometimes on some motherboards the M.2 slots are shared with some of the PCI-E slots on the motherboard. The Asus PRIME Z270-A motherboard apparently can be upgraded to 8 GPUs using this method, or you can just use the 7 available PCI-Express slots for a seven GPU mining rig instead of the more traditional 6x GPU configuration. The only drawback, the Asus PRIME Z270-A are not the cheapest out there as they use the Z270 chipset and you additionally increase the cost for the M.2 to PCI-E adapter, but then again you also get to connect up to 8 GPUs to a single mining rig (if your PSU(s) can handle that).

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13 Responses to 8x GPU Nvidia Mining Rig With Asus PRIME Z270-A


May 16th, 2017 at 03:28

As a positive alternative consider doing a CMB article on PCIE switches. I’ve known about these for years, but seems as though it’s still not common knowledge. They don’t work with all card, Nvidia for instance, however they work with all the AMD cards I’ve tested. It’s a pretty good deal for getting a $40 5 slot PCIE board and then adding one of these. Other options include getting cheap 4 slot boards (miniatx) and adding a couple of these.


It opens up quite a bit more possibilites then buying $200 motherboards.


May 16th, 2017 at 07:27

MSI Z170 M5/M6/M7/G45,9xGPU~~~

Thomas Zarebczan

May 17th, 2017 at 06:53

What cpu was used? Does it require a xeon?

JM Humbs

May 18th, 2017 at 22:18

CPU doesn’t matter


May 19th, 2017 at 13:41

update urgent
the z270-A have only 6 pcie sot
it’s the z270-E ROG-STRIX-Z270E-GAMINGhoo have 7 slot pcie ( https://www.asus.com/fr/Motherboards/ROG-MAXIMUS-IX-CODE/specifications/ )
Slots d´extension
2 x PCIe 3.0/2.0 x16 (x16 ou dual x8)
1 x PCIe 3.0/2.0 x16 (mode x4)
4 x PCIe 3.0/2.0 x1


May 20th, 2017 at 00:23

2 gemini: this article is about Prime Z270-A, not the regular Z270-A. And the Prime board has 7x PCI-E slots and 2x M2 slots.

2 all: What I don’t understand is how come they didn’t test 9 GPUs? They’ve had two M2 adapters, so why not test the maximum number of cards possible? There’s quite a few reports about 8 GPU rigs out there so it’s not news (there’s a cheaper Prime Z270-P board that runs 8 GPUs just fine), but not nearly as many about the boards capable of running 9 GPUs (without splitters).


May 20th, 2017 at 01:12

We have tested the Asus Prime Z270-A with two M2 to PCI-E adapters, unfortunately it does not work with 9 GPUs this way, the maximum for this motherboard is still 8 GPUs and we can confirm that it works for sure.


May 20th, 2017 at 06:27

what modification of bios you need to do to get 8 card detected? at default this board only detect 5 card, thank you


May 20th, 2017 at 10:03

You need to enable 4G Decoding in BIOS for all card to be detected and work properly.


May 20th, 2017 at 14:19

Yes sorry i was wrong
z270-A prime 7 slots i confirm


May 20th, 2017 at 14:20

i plan to get 2 of them


May 24th, 2017 at 05:20

I’m newbie. I use Asus prime z270-a and update bios to Version 0906 (2017/03/24). I try several time and can not use more than 3 GPU with default bios. Can anyone please advise me? In bios setup i can’t find “4G enable” option.

Thank you very much for your time and assistance in this matter.


May 25th, 2017 at 10:35

I just set up mine today. You can find the Above 4G option in “Boot” in Advanced mode. ((If I don’t remember it wrong….
My miner:
Prime Z270-A
3x RX580 (~29Mhs for eth each)
2x RX570 (~27Mhs each)
Planning to get 3 more after I break half of the cost.

Thanks for giving us info. I was gonna buy some random cheap 6 slots z270 mobo if I didn’t see this post.

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