I7-8700K and M.2 Hdd use 20 lanes (Result=Pcie 3 x 4 not available, only Pcie 3 x 2)

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Jan 3, 2014
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Hi, i have a 8700k and a Samsung 960 Pro M.2 on board Asus maximus Hero X and when i use samsung magician say the m.2 is using Pcie 3 x 2 (16GB/s bandwitdh) instead of the top Pcie 3 x 4 (32GB/s bandwitdh)...
Because this processor and motherboard only have available 16 lanes to use full pcie 3 x 4 speed, when i use a Geforce 1060 (16 lanes) and a M.2 hdd (4 lanes) they have to share the 16 lanes available and this way my M.2 will work on Pcie 3 x 2 instead of the full pcie 3 x 4 bandwidh...
Is there a way of using the M.2 at full pcie 3 x 4 bandwidh? Thanks
 
Its connected to M.2_2 ... already look in bios but i cant find any option to enable x 4... Only have to choose bettwen Pcie Gen1 Gen2 or Gen3...
 

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