Intel Motherboards - Z490 Steel Legend : NVMe not detected with 2 GPUs

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Z490 Steel Legend : NVMe not detected with 2 GPUs

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=18576
Printed Date: 27 Jul 2025 at 6:38pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Z490 Steel Legend : NVMe not detected with 2 GPUs

Posted By: boldar
Subject: Z490 Steel Legend : NVMe not detected with 2 GPUs
Date Posted: 08 Apr 2021 at 2:42am

Hello,

I have a Z490 Steel Legend LGA 1200 motherboard using an NVMe as my win10 boot drive in the top slot under the shield. The NVMe detects fine when only using 1 video card, but when I install a second video card, the NVMe is not detected in Bios.

Each card is working fine when only one of them is installed and the NVMe is found without issue. However, when both cards are installed then the NVMe drive is not showing up in bios.

MOBO: Asrock Z490 Steel Legend LGA 1200
CPU: Intel Core i9-10900KF Comet Lake 10-Core 3.7 GHz LGA 1200
NVMe: XPG GAMMIX S7 Series: 1TB PCIe Gen3x4 M.2 2280 Solid State Drive
GPU1: PNY GTX 1080ti (gaming card with 4 outputs)
CPU2: PNY NVS 810 (workstation card with 8 outputs)

Is there some kind of PCIe lane sharing that could be keeping me from using all 3 of these devices at the same time£