Question SLI for new custom PC

Jul 14, 2019
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Hello,

I am ready to buy a new custom build pc and I would like to have some advise on it as mostly MSI forum wont respond.

PC Part Picker Link: https://pcpartpicker.com/user/Zarcrash/saved/6hkq3C

CPU | AMD - Ryzen 9 3900X 3.8 GHz 12-Core Processor | $499.00 @ B&H
CPU Cooler | Noctua - NH-D15 82.5 CFM CPU Cooler | $89.95 @ Newegg
Motherboard | MSI - X470 GAMING PRO CARBON ATX AM4 Motherboard | $179.99 @ Amazon
Memory | Corsair - Vengeance LPX 32 GB (2 x 16 GB) DDR4-3200 Memory | $149.99 @ Amazon
Storage | Samsung - 860 Evo 500 GB 2.5" Solid State Drive | $77.99 @ Amazon
Storage | Western Digital - Caviar Blue 1 TB 3.5" 7200RPM Internal Hard Drive | $41.89 @ OutletPC
Video Card | MSI - GeForce RTX 2080 8 GB VENTUS Video Card (2-Way SLI) | $609.99 @ Newegg
Video Card | MSI - GeForce RTX 2080 8 GB VENTUS Video Card (2-Way SLI) | $609.99 @ Newegg
Case | Phanteks - Enthoo Pro ATX Full Tower Case | $99.99 @ Amazon
Power Supply | Corsair - CXM 750 W 80+ Bronze Certified Semi-modular ATX Power Supply | $99.89 @ OutletPC
Monitor | Acer - GN246HL 24.0" 1920x1080 144 Hz Monitor | $179.99 @ B&H
Monitor | Acer - GN246HL 24.0" 1920x1080 144 Hz Monitor | $179.99 @ B&H
Monitor | LG - 27GK750F-B 27.0" 1920x1080 240 Hz Monitor | $299.00 @ B&H


Some notes:

  1. At first I would like to mention that I somehow got both Video Cards for free (yes I know :) ) so I am not going to change them and I will use them for SLI so there is no need for comments there.
  2. Secondly, I am a programmer and video game developer so Ryzen is better for me with its increased multi-core performance against i9. Also I do not like high temperatures at all.
  3. Finally, the motherboard I choose is the best I can get for this CPU. The reason is that i live on an island and there is only one good vendor to buy from who will provide full warranties and take over when something happens (e.g. safely sent the PC with his own responsibility to the mainland for service etc). At this time the vendor can only provide this motherboard. Keep in mind that MSI updated its bios to support Ryzen 3000 CPUs on MSI-X470 and this is confirmed by both MSI and my vendor. Also, my vendor confirmed that this motherboard supports 2 way SLI which I need to use both video cards. The vendor site for AM4 motherboards is here if anyone has anything better to comment in the same price range (about 220 euros) https://www.e-shop.gr/ypologistes-mitrikes-motherboards-socket-am4-list?table=PER&category=%CC%C7%D4%D1%C9%CA%C7+%CA%C1%D1%D4%C1&filter-14693=1
  4. Please do not comment on storage and monitor choices I just put them there to see if the PSU is enough.
Now my questions are below for anyone willing to help.

  1. Will the video cards fit on the motherboard for SLI use?
  2. Which Nvidia Nvlink should I buy to connect those cards?
  3. Is the PSU enough?
Thanks a lot!
 
Jul 2, 2019
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  1. Yes the GPUs should fit just fine, but they will be snug so make sure you have good airflow in your case.
  2. You will get an SLI bridge with your motherboard so I would recommend you try this first. If you feel the need to upgrade then probably best get the MSI product to match your cards (60mm)
  3. Your PSU is not really enough as you have not left enough headroom. PCpartpicker has calculated your build to be 644W so I would suggest 850W min to allow your PSU to be efficient (and quieter). Also, since you have a high end build I would strongly suggest upgrading the PSU to gold certified which will give you better quality distribution and better protection for your build
Good luck!
 
Reactions: MeanMachine41
Jul 14, 2019
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Than you very much for your comments. I have now updated my build with a 850w Zalman Full Modular Gold. One more thing, can I use SLI with the RTX cards? I thought I could only use Nvlink.

Thanks again!
 
Jul 14, 2019
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Thank you for your comment, I do not want to save either, I just talked to my vendor as I wrote unfortunately in this remote area I do not have many choices as I need a good warranty just in case. However I can find PSU COOLERMASTER V850 GOLD 850W which
I think will do the trick.
 

ElectrO_90

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The PSU you picked is quite trash, compared to the system so I wouldn't go near it.
DS's suggestion is way better.

An old Samsung 850 evo, why? Why not an Evo Plus M2?
Also only a 1 TB Wd Blue hd? Again, don't understand why so cheap on these 2 products as well.
 

ElectrO_90

Dignified
BANNED
Thank you for your comment, I do not want to save either, I just talked to my vendor as I wrote unfortunately in this remote area I do not have many choices as I need a good warranty just in case. However I can find PSU COOLERMASTER V850 GOLD 850W which
I think will do the trick.
Since you have listed your location as America, are you saying you are not in America and you cannot use the parts you picked on that website?
 
Jul 14, 2019
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My location is wrong I live in an island in Greece :). Anyway, you talk about the Corsair - CXM 750 W 80+ Bronze Certified Semi-modular ATX Power Supply which I had in my initial build or the PSU COOLERMASTER V850 GOLD 850W I plan to finally buy?
 

ElectrO_90

Dignified
BANNED
Jul 14, 2019
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Thank you all for your help I will follow your advice. One of my questions though still remains...can I use SLI with RTX 2080s or only NVLink?
 

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