Intel Motherboards - Asrock Z270 Extreme4 Ultra M.2

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Asrock Z270 Extreme4 Ultra M.2_SSD compatibility

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=16098
Printed Date: 02 Aug 2025 at 12:55pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Asrock Z270 Extreme4 Ultra M.2_SSD compatibility

Posted By: supervisor1
Subject: Asrock Z270 Extreme4 Ultra M.2_SSD compatibility
Date Posted: 15 Sep 2020 at 4:38am

Hello everyone, i found on https://www.asrock.com/mb/Intel/Z270%20Extreme4/index.pl.asp#Storage
that my motherboard supports Seagate drive with PCIe4 x4 interface.

However my motherboard Asrock Z270 Extreme4 has M.2 PCI Express module up to Gen3 x4 what we can read from official user's manual.

My question: does my motherboard can achieve full speed of 5000 MB/s Read from avaiable in Seagate FireCuda 520 SSD or information from the website means that it will work, but with bottleneck of 3rd generation speed that oscillates about 3500 MB/s read?

Maby there is a mistake, and there should be information for PCIe3 x4 interface in that place. Seagate has Gen 3 FireCuda drive so maby it's only transposed digits.

Thanks for all responses.