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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23 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.


May 27th, 2017 at 11:17

Does the asus prime z270-k work as well for 8x gpu?


May 29th, 2017 at 14:13

i have prime -AR z270 with kabylake 7700k i think running win 7 , i have great problems with win 10 once it buggers up after upgrades from win 7 my hdd is useless unless i reinstall win 7 on another HDD

i can only get 3-4 gpus but maybe im running diff gpus, also i have a fury r9 in the GPU slot not risers.

have same problem on z170 but all same gpus but two gpus are in case and slotted in.
its the 3900 g cpu skylake please help


May 30th, 2017 at 00:57


x1 Motherboard: ASUS ROG Strix Z270E
x6 GPUs: RX 480 PowerColor Red Dragon 8GB
x1 CPU: Intel Celeron G3930T
x6 Risers with SATA (additional feeding) and USB 3.0 to (PCI-e connection to Motherboard).

I have a problem setting up the x6 GPUs on my system (x5 have 6-Pin PCI feeding cable and x1 has 8-Pin PCI feeding cable – would this matter if model is exactly the same?).

Problem: OS Win 10 does not detect x6 GPUs.

Result until now: the maximum I had the showing up system was x5 GPUs. I forgot to note in what way I connected Risers to the Motherboard or what my BIOS settings were at that time. I certainly have 4G option enabled, however, I have never updated my BIOS. When I had x5 GPUs showing in Computer/Properties/Device Manager I noticed that I had that x1 card in View/Hidden Devices section, meaning that the card was disconnected in the OS Win 10. I checked all risers, even changed them around, checked cabling, checked how firmly the PCI-e extensions are plugged into the Motherboard PCI-e slots, done numerous restarts and still no result.

Question: can you please advise how the BIOS settings must exactly look like and how do I need to plug in Risers in the Motherboard (does sequence matter?)
I don’t mind if somebody finally shows a picture of the required information as well.


May 30th, 2017 at 17:39

Problem sorted, x6 GPUs work indeed!

Adhered to previously advised BIOS update to v0906
Installed Risers in Slot from 1 to 6, but 7th slot (PCIE_X4_1) left blank.
PCIe setting in BIOS can be used PCIe_x16/x8_1.
Make sure you have Above 4G option enabled.
Reinstalled GPU drivers up to: non-whql-win10-64bit-radeon-software-crimson-relive-17.5.2-may17


June 2nd, 2017 at 05:45

Has anyone attempted the 9 GPU setup in Ubuntu? I read that up to 10 GPUs are supported in that OS environment. I will attempt to confirm on my end soon but wanted to save time if someone has already confirmed this.



June 2nd, 2017 at 06:02

I have seen videos of 9 and 10 GPUs running but only 8 mining in Win 10. I watched this video (below) of a Russian guy booting up with all 9 GPUs displaying in device manager but when mining he unplugged the 9th one. I am guessing it is in fact a limitation of Win 10. Can anyone confirm this?





June 2nd, 2017 at 15:03

well I can’t get past 5 gpu. when I try the 0906 bios it tells me to press f1 to go into setup and sits with a blinking cursor in the top rh corner. problem occurs when I load up GPUs. can get maybe 2 going.

darn annoying.
backed down to 0801 bios and got 5 gpu loaded. memory errors when I get the 6th detected “attempted execute of noexecute memory ” ho hum lol.


June 4th, 2017 at 14:35

Hi – awesome build, I am aiming to do the same.

Some questions though:
1. How do you power all those cards off the single Corsair 1000? Does it come with all the required power cables?
2. What PCIE risers did you use – did you have to use powered risers?

Would be great to see Part II :)

Nathalie Vaiser

June 4th, 2017 at 21:45

I got all 8 GPUs working on this exact same motherboard (8 RX 580’s). The only issue I’m having is that the hashrate on the GPU that is plugged into the M.2 adapter has a lower hashrate than the other cards.

All cards are just over 29 MH/s, but the card on the M.2 adapter is only 22 MH/s. I tried in the BIOS for the adapter both settings of x2 and x4 but this didn’t make a different.

Any ideas?


June 20th, 2017 at 12:45

Hi i am a newbie, i cant seem to run 6 gpus’ on my asus prime z270-a motherboard.. i am using Palit GTX 1060 6g driver version 382.33… am running windows `10 64 bit…it only detects 4 gpus…can somebody guide me thru this….thank you

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