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ASRock Z270 Taichi PCI-E setup

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=4502
Printed Date: 23 Jul 2025 at 1:33am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: ASRock Z270 Taichi PCI-E setup
Posted By: s1lver
Subject: ASRock Z270 Taichi PCI-E setup
Date Posted: 26 Feb 2017 at 8:42pm
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Hi,

I'm looking for Z270 Motherboard and currently ASRock Z270 Taichi is my top choice. What is not 100% clear for me is possible PCI-E configuration. I want to have two PCI-E devices:
1) Graphic Card - x16 PCI-E 
2) SSD disk - x4 PCI-E
Is this possible ob Z270 Taichi? If yes, then which slots? 
I mean - if I want to have graphic card in PCIE2 slot with x16 speed - could I use any other PCIE slot at x4 speed same time?

Thanks!!




Replies:
Posted By: parsec
Date Posted: 26 Feb 2017 at 9:21pm
Originally posted by s1lver s1lver wrote:

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Hi,

I'm looking for Z270 Motherboard and currently ASRock Z270 Taichi is my top choice. What is not 100% clear for me is possible PCI-E configuration. I want to have two PCI-E devices:
1) Graphic Card - x16 PCI-E 
2) SSD disk - x4 PCI-E
Is this possible ob Z270 Taichi? If yes, then which slots? 
I mean - if I want to have graphic card in PCIE2 slot with x16 speed - could I use any other PCIE slot at x4 speed same time?

Thanks!!


The specifications can be a bit confusing about the PCIe slots, as you know. What is possible is limited by the PCIe lanes provided by the Intel CPU used, and the Z270 Kaby Lake chipset. That system has some improvements over the previous Z170 Skylake chipset.

From the Z270 Taichi specifications:

4 x PCI Express 3.0 x16 Slots (PCIE2/PCIE3/PCIE4/PCIE5: single at x16 (PCIE2); dual at x8 (PCIE2) / x8 (PCIE4); triple at x8 (PCIE2) / x4 (PCIE4) / x4 (PCIE5). PCIE3: x4 mode )

It would be useful to know which PCIe x4 SSD you are using. Is it M.2 in an adapter card, or a PCIe slot AIC SSD like the Intel 750?

You can have a video card in the PCIE2 slot running at PCIe 3.0 x16, and a PCIe 3.0 x4 SSD in the PCIE3 slot running at PCIe 3.0 x4 at the same time.

This board also has three M.2 slots running at PCIe 3.0 x4, but shares resources with the Intel SATA III ports.




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Posted By: Xaltar
Date Posted: 26 Feb 2017 at 9:40pm
You will want to use the black (non steel reinforced) slot for the SSD as it gets its PCIe lanes from the PCH not the CPU. This will allow x16 on the GPU and x4 for the SSD. 

[edit]
Parsec beat me to it Wink


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