Dual GPU RTX 4090 on Asrock z790 taichi
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=25771
Printed Date: 20 Jul 2025 at 8:50pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Dual GPU RTX 4090 on Asrock z790 taichi
Posted By: Equinox
Subject: Dual GPU RTX 4090 on Asrock z790 taichi
Date Posted: 14 Apr 2023 at 12:25am
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Hy Gamers, Modders, 3d artists and games engine developpers ! I would build an dual GPU setup with a RTX 4090 ! The z790 Taichi has 2 x pciE 5.0, someone know if i can connect and used my two GPU together on this Asrock z790 motherboard or others models? Thank a lot !
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Replies:
Posted By: threadzipper1957
Date Posted: 21 Jun 2023 at 10:03pm
Please check the specs on the website, section SLOTS
https://www.asrock.com/mb/Intel/Z790%20Taichi/index.asp#Specification" rel="nofollow - https://www.asrock.com/mb/Intel/Z790%20Taichi/index.asp#Specification
But for multiple graphics cards to work as one, the board, must support SLI, or Crossfire with AMD cards.
But since both these techniques, had their diffculties, and people had to tweak games, before it would even work, manufacturers have abandoned these protocols,. and do not buy any licenses, to include in BIOS.
Also when using 2 cards, the performance is not the expected 200%, but 160% at most.
I would save yourself the trouble, to get it to work, and invest a lot of money
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Kind Regards
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