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Adding a second 1080Ti

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Posted · Original PosterOP

Budget (including currency): £700

Country: UK

Games, programs or workloads that it will be used for: Mainly gaming, occasional video editing and college work


Current build consists of:

  • intel i7-8700k CPU 
  • MSI Z370 SLI Plus
  • Single GeForce GTX 1080Ti Strix
  • EVGA SuperNova 750w PSU
  • Phanteks Enthoo Evolv case

I am looking at adding a second GPU to my PC but im not sure if A) the benefits outweigh the costs B) I need to upgrade anything else to stop bottlenecks. I have seen a few used GeForce GTX 1080Ti Strix on ebay for anywhere between £500 and £700 and they all look to be in good condition, with that in mind i would like to know how much of an improvement i would get when it comes to running games. Right now i can run most games on ultra locked at 60fps due to my monitor, i have upgraded to a 144hrz monitor so it would be nice to get the most out of that. I do get frame rate drops in larger games like AC odessey so have to drop to high and turn down shadows and stuff like that to help.


The only issue i know i would need to solve is finding a new way to get wifi connection as the motherboard lacks built in network other than LAN, i have a cheap network card installed onto the board right now but could probbaly get a usb wifi adapter. I also have no idea how sli  works and would have to watch some videos about it

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almost 0 use for dual GPUs now outside of compute work

Good luck, Have fun, Build PC, and have a last gen console for use once a year. I should answer most of the time between 9 to 3 PST

NightHawk 2.0: R7 2700 @4.0ghz, B450m Steel Legends, H105, 4x8gb Gell EVO 2866, XFX RX 580 8GB, Corsair RM750X, 500 gb 850 evo, 500gb 850 pro and 5tb Toshiba x300

Skunkworks: R5 3500U, 16gb, 250 intel 730, 500gb Adata XPG 6000 lite, Vega 8. HP probook G455R G6

Condor (MC server): 6600K, z170m plus, 16gb corsair vengeance LPX, samsung 750 evo, EVGA BR 450.

Bearcat (F@H box) core 2 duo, 1x4gb EEC DDR2, 250gb WD blue, 9800GTX+, STRIX 660ti, supermicro PSU, dell T3400.

Rappter(unfinished compute server) HP DL380G6 2xE5520 24GB ram with 4x146gb 10k drives and 4x300gb 10K drives, running NOTHING can't get anything to work

Spirt  (unfinished NAS) Cisco Security Multiservices Platform server e5420 12gb ram, 1x6 1tb raid 6 for plex + Need funding 16+1 2tb raid 6 for mass storage.

PSU Tier List      Motherboard Tier List      How to get PC parts cheap    HP probook 445R G6 review


"Stupidity is like trying to find a limit of a constant. You are never truly smart in something, just less stupid."  @CircleTech


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i'd just get a new gpu, probably a 5700 xt would work for you unless you dont wanna change drivers and everything


-neil degrasse tyson

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