Intel Motherboards - Asus Taichi Z390 and 2 m.2 ssd

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Asus Taichi Z390 and 2 m.2 ssd

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=11451
Printed Date: 08 Nov 2025 at 4:19pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Asus Taichi Z390 and 2 m.2 ssd

Posted By: spamkuba
Subject: Asus Taichi Z390 and 2 m.2 ssd
Date Posted: 10 May 2019 at 3:44am

Hello, I have 2 ssd m2. I don't know where should I insert it.
1 ssd 256 GB (system)
2 ssd 512 GB (files for adobe premiere)
3 hdd 2TB (movies)

Where I shoud put m.2 ssd?? M2_1 (system), M2_2 (files)? or M2_3 (system), M2_1 (files)?? why I have only 2 stickers "ultra m.2" on M2_1 and M2_2? m2_3 is slower?

Replies:

Posted By: ASRock_TSD
Date Posted: 10 May 2019 at 10:09am

Dear Spamkuba,

Thank you for choosing ASRock.

All of the M.2 slots support SATA 3 and PCIe Gen3 x4, three slots has the same bandwidth.
If your M.2 SSD (system) doesn?�t have heatsink, we suggest connecting to the M2_3 (with heatsink) slot for better cooling.

Thank you!
Yours truly,
ASRock TSD

Posted By: wardog
Date Posted: 10 May 2019 at 10:34am

Also note

*M2_1, SATA3_0 and SATA3_1 share lanes. If either one of them is in use, the others will be disabled.
If M2_2 is occupied by a SATA-type M.2 device, SATA3_3 will be disabled.
M2_3, SATA3_4 and SATA3_5 share lanes. If either one of them is in use, the others will be disabled.

From https://www.asrock.com/MB/Intel/Z390%20Taichi/index.asp#Specification