EPC612D8A m.2 confusion

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   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 ?

Edited by ignx - 23 Jan 2016 at 11:54pm

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ignx Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Jan 2016 Status: Offline Points: 3	Post Options Post Reply Quote ignx Report Post Thanks(0) Quote Reply Topic: EPC612D8A m.2 confusion 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 ? Edited by ignx - 23 Jan 2016 at 11:54pm