Intel Motherboards - EPC612D8A m.2 confusion

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EPC612D8A m.2 confusion

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=1807
Printed Date: 04 Jun 2025 at 11:51pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: EPC612D8A m.2 confusion

Posted By: ignx
Subject: EPC612D8A m.2 confusion
Date Posted: 23 Jan 2016 at 11:53pm

hello there, I own asrock EPC612D8A motherboard. The decription on asrock page states that

PCIe 3.0 x 8 - 1 slot (PCIE4: x8 or x4 with mini PCIe x4 )

-(support M.2 (Full and Half size)) (x4)

What does x4 mean, because the manual states its gen 2 x2

"M.2 PCI Express module up to Gen 2 x2 (10 Gb/s)".

does it mean that 4 lanes are linked to slot but only 2 are usable ?