M.2 Gen4 x4 not working on Z490 'Hyper' M.2 Slot
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=24849
Printed Date: 27 Apr 2024 at 1:55am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: M.2 Gen4 x4 not working on Z490 'Hyper' M.2 Slot
Posted By: arkhen
Subject: M.2 Gen4 x4 not working on Z490 'Hyper' M.2 Slot
Date Posted: 25 Aug 2022 at 9:31pm
Hey guys
I just got an M.2 PCIe Gen4 x4 NVMe (XPG Gammix S70 Blade) and I'm trying to install it in the 'Hyper' M2 slot on my 'Z490 Steel Legends' Motherboard, but it simply does not detect it.
The specifications of the motherboard says:
ASRock Hyper M.2 (PCIe Gen4 x4)
ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
So I guess the best slot to have this new M.2 Gen4 at full speed is indeed the Hyper slot.
When I install it in the 'Ultra' Gen3 slot the M.2 works, although of course at a lower speed (3500 mb/s) compared to it's full 7400mb/s potential.
I currently have an M.2 SSD Gen3 ADATA (XPG SPECTRIX S40G) working well on the M2_2 (Ultra slot) and I remember trying to install it on the M2_1 (Hyper) slot, when I got it years ago, but it also did not work. It's like the slot is disabled.
Does anyone knows how to make it work?
Is this a problem of compatibility or is there a way to activate this 'Hyper' slot on the BIOS settings?
(My Processor is an INTEL CORE I9-10900, 20MB, 2.8GHZ, LGA 1200)
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Replies:
Posted By: threadzipper1957
Date Posted: 20 Sep 2022 at 7:08pm
It is correct that the M2_1 slot doesn't work.
The reason is that a 10th Gen CPU, does not have enough PCIE lanes to enable this slot.
this only works with the 11th gen CPU, who has 4 additional PCIE lanes
It is also stated in the sepcs on the ASRock website
https://www.asrock.com/mb/Intel/Z490%20Steel%20Legend/index.asp#Specification" rel="nofollow - https://www.asrock.com/mb/Intel/Z490%20Steel%20Legend/index.asp#Specification
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Kind Regards
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