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rpaynter

Need motherboard advice -- 4 nvidia GPU's and 2 M.2 970 evo Pro

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Posted · Original PosterOP

I need help navigating the motherboard maze.

I want to build a PC with 

Intel 8086 chip

4 Nvidia 1070i GPU's 

2m.2 970 evo Pro 1TB

64 GB ram .. eventually upgrade to 128 

What motherboard can handles this?

Are there going to be PCie bottlenecks?

Do i need a 1600 W power supply or is that overkill?

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why would you need so many GPUs (that's not the top dog even), an overhyped CPU and so much RAM?


"What's under the heatsink?" ep1, "Why it's not as good as it seem?" AMD fanboy edition out, episode 2 "Why my gaming board is a scam?" Intel fanboy edition coming soon (this is a link)

Hardware specs below

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.4?V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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I'm a strong sli CF fan but anything more then two gpus is a waste of money. 


Firestrike 
i7-8700k @5.0GHz w/ 1.30v, Corsair h100iv2, Gigabye Aorus gaming 7, 16GB(8x2) 2666MHz ddr4, Dual RX470's OC'd to 1390mhz(atm) in corssfire - liguid cooled with corsair h60's, 3.25 TB in Samsung SSD's, anidees white crystal cube case 

 

Retired:
i5-4440k @3.2GHz, gigabyte ga-z87x-ud5h z87, 24GB DDR3, 3x1TB Seagate Baracuda HDD.

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CPU is OK

64G ram is way overkill unless you heavily using editing software or 3d software, maybe virtualization as well

GPU just get the 1080ti

storage is up to you

 

MOBO Options

 

https://pcpartpicker.com/product/3MJkcf/asus-prime-z370-a-atx-lga1151-motherboard-prime-z370-a

 

OR

 

https://pcpartpicker.com/product/8sRFf7/asus-rog-strix-z370-e-gaming-atx-lga1151-motherboard-strix-z370-e-gaming

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20 minutes ago, rpaynter said:

I need help navigating the motherboard maze.

I want to build a PC with 

Intel 8086 chip

4 Nvidia 1070i GPU's 

2m.2 970 evo Pro 1TB

64 GB ram .. eventually upgrade to 128 

What motherboard can handles this?

Are there going to be PCie bottlenecks?

Do i need a 1600 W power supply or is that overkill?

1070Ti doesn't support 4-way SLI and neither does the 1080Ti. Max 2 cards.


PC Specs - AMD Ryzen 7 2700X MSI X370 Gaming Plus 16GB Corsair Vengeance LPX DDR4-3000 - GTX1070Ti FE 600p 256GB & M550 512GB & 860 Evo 500GB Fractal Define R5 CM V550 W8.1 Pro

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25 minutes ago, rpaynter said:

I need help navigating the motherboard maze.

I want to build a PC with 

Intel 8086 chip

4 Nvidia 1070i GPU's 

2m.2 970 evo Pro 1TB

64 GB ram .. eventually upgrade to 128 

What motherboard can handles this?

Are there going to be PCie bottlenecks?

Do i need a 1600 W power supply or is that overkill?

that chip has 16 available pcie lanes.  so 4 video cards and 2 m.2 drives are probably out of the question, not mention 4 way sli isn't a thing anymore.  

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Posted · Original PosterOP

I'm an animator  .. I want to build an affordable, powerful, and up-gradable Workstation.  

 

The more GPU core's the better for RedShift GPU rendering.  So Two 1070 ti's (which appear to be the best value for the amount of cores) and adding then two 1180ti when they eventually get released. 

 The RAM is for Adobe AfterEffects (a program that loves RAM). I could live with 64 but 128 is what i'm used to.

 

I thought the overclocked 8086 chip would be great for preview renders ...and the extra cores were nice for overnight renders.     

I'm having trouble figuring out the pcie lanes for a setup like this.  

It looks like a  i9, xeon or threadripper is mandatory to run 4 cards?

 

Any suggestions

 

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2 hours ago, rpaynter said:

 I'm having trouble figuring out the pcie lanes for a setup like this.  

It looks like a  i9, xeon or threadripper is mandatory to run 4 cards?

 

There are 16 direct PCI-E 3.0 lanes to the CPU on Z370, with supported configurations of 1x16, 2x8, or 1x8+2x4. Four cards are simply not possible on mainstream platforms.

 

Threadripper is going to be the most cost effective way to get the performance that you're looking for.

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There's a motherboard Asus WS x299 Sage that somehow supports x16/x16/x16/x16 configuration AFAIK, but for that, apparently you need an x299 chipset.

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1 hour ago, Umang Goel said:

There's a motherboard Asus WS x299 Sage that somehow supports x16/x16/x16/x16 configuration AFAIK, but for that, apparently you need an x299 chipset.

It's using PLX chips which can switch lanes between PCIe slots on the fly, they don't actually add lanes, that being said they can benefit certain work loads:
https://www.overclock.net/forum/6-intel-motherboards/1618042-what-multiplexing-how-does-plx-chips-work.html


In reality, at least when talking GPUs, you can only use as many lanes as the CPU supplies. With x299 (Intel Skylake X) you can run x16/x8/x8/x8, with x399 (AMD Threadripper) you can run x16/x8/x16/x8.
 


Main PC: Corsair 900D | Asus TUF X299 MARK 1 | 7900X @ 4.8GHz | GTX 1080 | GS Trident Z (4x8GB) 3000MHz | 600p 1TB, EX920 1TB | RME Fireface UCX

Capture PC: CR1080 | Asus X99-E | 6800K @ 3.6GHz | GTX 1080 | GS Trident Z (4x8GB) 3000MHz | 860 EVO 1TB | Magewell HDMI 4K+, Avermedia 4K | RME Fireface UC
Full Room Watercooling: EK X3 400 | 3xKoolance PMP-500 | 4xEK SE560 | 16x Phanteks PH-F140MP | 3xKoolance Pump Controller | 2xSilverStone PWM Fan Hub

Surface Book 2: 15" | 8650U @ 4.2GHz (Max) | GTX 1060 6GB | 16GB LPDDR3 1866MHz | Samsung MZFLW512HMJP-000MV 512GB

Full setup - PC Part Picker / Pics: https://pcpartpicker.com/b/ZrWD4D | https://imgur.com/gallery/ZinwYhttps://imgur.com/gallery/yLcZ3
 (Needs updating)

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