How many gpus can you run on an AMD AM4 socket motherboard? (Ryzen 7 1900, 2700 etc)

Message boards : Number crunching : How many gpus can you run on an AMD AM4 socket motherboard? (Ryzen 7 1900, 2700 etc)
Message board moderation

To post messages, you must log in.

1 · 2 · 3 · 4 . . . 7 · Next

AuthorMessage
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974261 - Posted: 9 Jan 2019, 9:22:48 UTC

As you know Threadrippers are very high-end products. But AMD also sells fast mainstream cpus.

You can get fast 8 core / 16 thread AMD CPUs with the AM4 motherboards.

If you use say the X370 chipset which is supposed to support multiple GPUs and some PCIe expansion cards to deal with the possible shortage of MB PCIe slots.

How many GPUs could you run on what brand/make/model of motherboard?

Tom

ps. it looks like an ASUS B350M-E with a 2400G cpu/gpu can run the internal gpu and 2 discrete gpu cards using the PCIe expansion card.
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974261 · Report as offensive     Reply Quote
Profile Brent Norman Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Volunteer tester

Send message
Joined: 1 Dec 99
Posts: 2766
Credit: 549,331,403
RAC: 843,233
Canada
Message 1974278 - Posted: 9 Jan 2019, 13:14:26 UTC

I had 5 running on my GigaByte board for awhile, But the last riser was touchy and would drop off line, so I removed it for stability.
ID: 1974278 · Report as offensive     Reply Quote
Profile Keith Myers Special Project $250 donor
Volunteer tester
Avatar

Send message
Joined: 29 Apr 01
Posts: 9651
Credit: 889,040,506
RAC: 1,707,715
United States
Message 1974310 - Posted: 9 Jan 2019, 16:26:39 UTC

You can only fit 3 double wide cards native on the X370/X470 motherboards. Any more and you have to deal with risers. Even with 3 cards, you will have one card running in X4 PCIe Gen. 2 speed because of the lack of PCIe lanes. Not a problem with that lane count for Seti but can be an issue on other more demanding projects.
Seti@Home classic workunits:20,676 CPU time:74,226 hours
ID: 1974310 · Report as offensive     Reply Quote
Ben

Send message
Joined: 15 Jun 99
Posts: 54
Credit: 38,765,253
RAC: 124,233
United States
Message 1974341 - Posted: 9 Jan 2019, 19:06:34 UTC - in response to Message 1974310.  

You can only fit 3 double wide cards native on the X370/X470 motherboards. Any more and you have to deal with risers. Even with 3 cards, you will have one card running in X4 PCIe Gen. 2 speed because of the lack of PCIe lanes. Not a problem with that lane count for Seti but can be an issue on other more demanding projects.


Also, with Radeon cards, ROCm wants PCIe 3.0 and eight lanes so you can only "officially" run 2 cards. Starting with Vega there is some flexibility with those specs.
ID: 1974341 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974345 - Posted: 9 Jan 2019, 19:21:46 UTC - in response to Message 1974278.  

I had 5 running on my GigaByte board for awhile, But the last riser was touchy and would drop off line, so I removed it for stability.


Brent,
What model of Gigabyte MB are you running?

Thank you.

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974345 · Report as offensive     Reply Quote
Profile Brent Norman Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Volunteer tester

Send message
Joined: 1 Dec 99
Posts: 2766
Credit: 549,331,403
RAC: 843,233
Canada
Message 1974348 - Posted: 9 Jan 2019, 20:01:51 UTC - in response to Message 1974345.  
Last modified: 9 Jan 2019, 20:20:37 UTC

I'm not now, LOL, it's out on a RMA. But it ran 1080/1070.1060/1060 for almost a year, until it failed to power up after a reboot.
And I just got it working well with a new CPU and monoblock, dang it!
It was kicking Keith's 2700X fleet for awhile until then.

EDIT: Opps forgot the model ... GA-AX370-GAMING K7
ID: 1974348 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974365 - Posted: 9 Jan 2019, 22:03:14 UTC - in response to Message 1974348.  
Last modified: 9 Jan 2019, 22:05:00 UTC

I'm not now, LOL, it's out on a RMA. But it ran 1080/1070.1060/1060 for almost a year, until it failed to power up after a reboot.
And I just got it working well with a new CPU and monoblock, dang it!
It was kicking Keith's 2700X fleet for awhile until then.

EDIT: Opps forgot the model ... GA-AX370-GAMING K7


Thank you.

I am thinking about trying out an AM4-based MB with a medium to higher end Ryzen (8 cores/ 16 threads) and all the GPUs I can cram onto it. I have 6 gtx 1060 3GB's, and 3 gtx 750Ti's and two PCIe expansion cards with up to 8 external slots available. I even have an EGA 1600 watt PSU that isn't currently in use.

So I am scratching my head and trying to decide if I want to buy an MB, CPU and reuse my other two sticks of CL14/3200 ram. :)

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974365 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974390 - Posted: 9 Jan 2019, 23:59:54 UTC
Last modified: 10 Jan 2019, 0:00:36 UTC

Keith,
You have both the
Thermaltake Core X5 Tempered Glass Edition E-ATX Stackable Black Cube Chassis CA-1E8-00M1WN-02
which is $169 on NewEgg and the
Thermaltake Core X9 Black E-ATX Stackable Tt LCS Certified Cube Chassis CA-1D8-00F1WN-00
which is $157 on NewEgg.

For the $12 difference in price is there anything to choose between them?

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974390 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974393 - Posted: 10 Jan 2019, 0:06:32 UTC
Last modified: 10 Jan 2019, 0:07:45 UTC

What model of Ryzen 7 would you recommend as "best bang for the buck" in the 8 core/16 thread models? Yes, I am going for "value" here not absolute best speed at cpu crunching.

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974393 · Report as offensive     Reply Quote
Profile Keith Myers Special Project $250 donor
Volunteer tester
Avatar

Send message
Joined: 29 Apr 01
Posts: 9651
Credit: 889,040,506
RAC: 1,707,715
United States
Message 1974401 - Posted: 10 Jan 2019, 0:21:45 UTC - in response to Message 1974390.  

Keith,
You have both the
Thermaltake Core X5 Tempered Glass Edition E-ATX Stackable Black Cube Chassis CA-1E8-00M1WN-02
which is $169 on NewEgg and the
Thermaltake Core X9 Black E-ATX Stackable Tt LCS Certified Cube Chassis CA-1D8-00F1WN-00
which is $157 on NewEgg.

For the $12 difference in price is there anything to choose between them?

Tom

I think the X9 is the better deal at a cheaper price. It is bigger so more room to cram more stuff inside. Plus with the X9 you can purchase another perforated side panel to replace the standard clear side panel for better ventilation. It has always been listed as an accessory on the TT website. I haven't got Thermaltake to offer a replacement perforated side panel for the X5 case. They said a replacement would have to come out of a scrapped or returned case. So far nothing from them on availability after 3 months. So the X5 is limited with ventilation to just one side.

As long as you have the desktop real estate for the X9, I would go with that one. It is 4 inches deeper than the X5 case.
Seti@Home classic workunits:20,676 CPU time:74,226 hours
ID: 1974401 · Report as offensive     Reply Quote
Profile Keith Myers Special Project $250 donor
Volunteer tester
Avatar

Send message
Joined: 29 Apr 01
Posts: 9651
Credit: 889,040,506
RAC: 1,707,715
United States
Message 1974402 - Posted: 10 Jan 2019, 0:23:56 UTC

If you are going to drive a multi-gpu rig you are going to need cores to feed them. So I would either go with the straight 2600 or 2700 cpu since you don't need the speed out of them from the X models.
Seti@Home classic workunits:20,676 CPU time:74,226 hours
ID: 1974402 · Report as offensive     Reply Quote
Profile Brent Norman Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Volunteer tester

Send message
Joined: 1 Dec 99
Posts: 2766
Credit: 549,331,403
RAC: 843,233
Canada
Message 1974407 - Posted: 10 Jan 2019, 0:43:07 UTC

For Seti ir doesn't matter much, but for other projects the 1700X/1800X have more PCI lanes than the Gen2 CPUs - I forget what the 1700/1800 non X have.
Maybe something to consider there for multi GPU.
ID: 1974407 · Report as offensive     Reply Quote
Profile Keith Myers Special Project $250 donor
Volunteer tester
Avatar

Send message
Joined: 29 Apr 01
Posts: 9651
Credit: 889,040,506
RAC: 1,707,715
United States
Message 1974451 - Posted: 10 Jan 2019, 4:35:28 UTC - in response to Message 1974407.  

For Seti ir doesn't matter much, but for other projects the 1700X/1800X have more PCI lanes than the Gen2 CPUs - I forget what the 1700/1800 non X have.
Maybe something to consider there for multi GPU.

? ? ? ? The AM4 socket is the same between Gen. 1 Ryzen and Gen.2 Ryzen. Each generation has 20 PCIe lanes. 16 from the cpu and 4 more from the X370 or X470 chipset.
Seti@Home classic workunits:20,676 CPU time:74,226 hours
ID: 1974451 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974479 - Posted: 10 Jan 2019, 10:03:54 UTC - in response to Message 1974348.  

I'm not now, LOL, it's out on a RMA. But it ran 1080/1070.1060/1060 for almost a year, until it failed to power up after a reboot.
And I just got it working well with a new CPU and monoblock, dang it!
It was kicking Keith's 2700X fleet for awhile until then.

EDIT: Opps forgot the model ... GA-AX370-GAMING K7


Brent,
I forgot to ask. Does that MB have a start button on the motherboard? So I could run it in a miners rig chassis without having to come up with a starting button?

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974479 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974480 - Posted: 10 Jan 2019, 10:11:31 UTC - in response to Message 1974451.  

For Seti ir doesn't matter much, but for other projects the 1700X/1800X have more PCI lanes than the Gen2 CPUs - I forget what the 1700/1800 non X have.
Maybe something to consider there for multi GPU.

? ? ? ? The AM4 socket is the same between Gen. 1 Ryzen and Gen.2 Ryzen. Each generation has 20 PCIe lanes. 16 from the cpu and 4 more from the X370 or X470 chipset.


Brent,
Do you know how many more PCIe lanes? I am interested in the maximum available lanes.

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974480 · Report as offensive     Reply Quote
Profile -= Vyper =-
Volunteer tester
Avatar

Send message
Joined: 5 Sep 99
Posts: 1566
Credit: 831,242,225
RAC: 944,154
Sweden
Message 1974485 - Posted: 10 Jan 2019, 10:51:48 UTC - in response to Message 1974479.  

Does that MB have a start button on the motherboard? So I could run it in a miners rig chassis without having to come up with a starting button?

Tom


https://www.ebay.com/p/HDE-PC-Case-Power-Push-Button-Cable-ATX-Computer-On-off-23-60cm-Switch-Wire/1600187305?iid=401473077771

_________________________________________________________________________
Addicted to SETI crunching!
Founder of GPU Users Group
ID: 1974485 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974528 - Posted: 10 Jan 2019, 17:51:43 UTC - in response to Message 1974485.  

Does that MB have a start button on the motherboard? So I could run it in a miners rig chassis without having to come up with a starting button?

Tom


https://www.ebay.com/p/HDE-PC-Case-Power-Push-Button-Cable-ATX-Computer-On-off-23-60cm-Switch-Wire/1600187305?iid=401473077771


Thank you. I think I spotted a power switch on the MB in question but having this kind of switch is always useful so I ordered it.

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974528 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974530 - Posted: 10 Jan 2019, 17:53:36 UTC - in response to Message 1974401.  

Keith,
You have both the
Thermaltake Core X5 Tempered Glass Edition E-ATX Stackable Black Cube Chassis CA-1E8-00M1WN-02
which is $169 on NewEgg and the
Thermaltake Core X9 Black E-ATX Stackable Tt LCS Certified Cube Chassis CA-1D8-00F1WN-00
which is $157 on NewEgg.

For the $12 difference in price is there anything to choose between them?

Tom

I think the X9 is the better deal at a cheaper price. It is bigger so more room to cram more stuff inside. Plus with the X9 you can purchase another perforated side panel to replace the standard clear side panel for better ventilation. It has always been listed as an accessory on the TT website. I haven't got Thermaltake to offer a replacement perforated side panel for the X5 case. They said a replacement would have to come out of a scrapped or returned case. So far nothing from them on availability after 3 months. So the X5 is limited with ventilation to just one side.

As long as you have the desktop real estate for the X9, I would go with that one. It is 4 inches deeper than the X5 case.



I was thinking about this and realized since my goal was an outsized gpu setup that a miner rig would make more sense. And it was cheaper at $20 :)

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974530 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974531 - Posted: 10 Jan 2019, 18:00:06 UTC - in response to Message 1974402.  

If you are going to drive a multi-gpu rig you are going to need cores to feed them. So I would either go with the straight 2600 or 2700 cpu since you don't need the speed out of them from the X models.


A new Ryzen 7 2700 with cooler has been ordered. A nice discount from list price too. Thank you eBay :)

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974531 · Report as offensive     Reply Quote
Profile Tom M
Volunteer tester

Send message
Joined: 28 Nov 02
Posts: 3460
Credit: 196,655,542
RAC: 535,078
United States
Message 1974533 - Posted: 10 Jan 2019, 18:03:06 UTC
Last modified: 10 Jan 2019, 18:16:27 UTC

Okay. I have all the pieces ordered. So now I can go back to trying to sell a TR4 MB, a case and a cpu cooler while I am waiting for the pieces to show up.

I already have a workbench/table setup and I have ordered another KVM keyboard/monitor switch so I can run this in a different room with a different power circuit. :) I already have a 2400G in there so I have to share the monitor/keyboard/mouse.

Tom
I will stop procrastinating tomorrow.
\\// Live Long & Prosper (starting tomorrow ;)
ID: 1974533 · Report as offensive     Reply Quote
1 · 2 · 3 · 4 . . . 7 · Next

Message boards : Number crunching : How many gpus can you run on an AMD AM4 socket motherboard? (Ryzen 7 1900, 2700 etc)


 
©2019 University of California
 
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.