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X470 Master SLI/ac , nvme drive at half speed Printed From: ASRock.com Category: Technical Support Forum Name: AMD Motherboards Forum Description: Question about ASRock AMD motherboards URL: https://forum.asrock.com/forum_posts.asp?TID=18960 Printed Date: 08 Aug 2025 at 6:40pm Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com Topic: X470 Master SLI/ac , nvme drive at half speed Posted By: Spektre Subject: X470 Master SLI/ac , nvme drive at half speed Date Posted: 27 May 2021 at 9:54am I installed my new nvme drive into the M2_1 slot on my motherboard, but it only gets 1/2 the rated speed which makes me thing the slot is running at x2 instead of x4. Is there a switch for this in the BIOS? Replies: Posted By: ThreeDee Date Posted: 28 May 2021 at 11:37pm What BIOS revision are you running? ------------- |Ryzen 5 5900|ASRock X570 Taichi-BIOS 4.60|2x16GB HyperX Predator RGB 3200@3600 1:1 IF|ASRock RX 6700XT|2 x PCIe 4.0 M.2 Drives for OS & Games|850 WTT Seasonic 80+ Titanium PSU|Noctua NH-D15|

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