Intel Motherboards - Adding M.2 Drive & SATA HDD with X99E-ITX/AC

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Adding M.2 Drive & SATA HDD with X99E-ITX/AC

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=7705
Printed Date: 12 Nov 2025 at 7:34pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Adding M.2 Drive & SATA HDD with X99E-ITX/AC

Posted By: Jon
Subject: Adding M.2 Drive & SATA HDD with X99E-ITX/AC
Date Posted: 17 Feb 2018 at 6:21am

I have the X99E-ITX/AC motherboard running Windows 10 on a Samsung 850 EVO 2.5" SSD. I just bought an M.2 SSD (Crucial/Micron M500 480GB, MTFDDAV480MAV) and a 2TB 3.5" HDD for backup.

I don't see this SSD listed on the supported storage list: http://www.asrock.com/MB/Intel/X99E-ITXac/index.asp#Storage" rel="nofollow - https://www.asrock.com/MB/Intel/X99E-ITXac/index.asp#Storage

Can I just plug these in and use them as secondary/tertiary drives or is there any UEFI setup I have to do? I don't really want to migrate my OS off of my current drive, I just want these for added capacity.

Thanks!

Replies:

Posted By: Jon
Date Posted: 17 Feb 2018 at 10:47am

Update:

I have installed both of the new drives and have them working now. I didn't have to do anything in the UEFI, the original Samsung SSD remained as the only boot device.

I had to restart once before the 2TB drive appeared in Windows. The M.2 drive showed in Device Manager but not as a drive I could use. I had to go to Disk Management and choose either MBR or GPT as a partition type on the M.2 drive. After doing that I could format it NTFS and choose a drive letter for it.