Asrock z170 m.2 and 10 sata drives

gabriel6go8d · Feb 17, 2018

Hello.
I have a motherboard asrock z170 extreme 7+ and 10 hard drives connected to it.
I was reading the board manual and I could not understand it well.
If I connect an M.2 to the motherboard, do I lose any SATA port?
I want to know if I can have 10 hard drives connected and also use an M.2 as a boot device.

Thank you so much

rocktalkrock · Feb 17, 2018

You are limited to 10 Sata devices no matter how they are connected (M.2 or Sata ports).
If you have an NVME PCIe SSD plugged into any M.2 port, all your Sata ports will still work.
If you have a Sata SSD plugged into an M.2 port, it will disable 2 Sata ports.

gabriel6go8d · Feb 18, 2018

rocktalkrock :

so
Can I have 10 SATA hard drives and a Samsung 960 EVO NVMe M.2 conected to my motherboard ???

USAFRet · Feb 18, 2018

gabriel6go8d :

Use of any of the 3 M.2 ports will disable some SATA ports.

http://www.asrock.com/mb/Intel/Z170%20Extreme7+/?cat=Specifications
M2_1, SATA3_0, SATA3_1 and SATA_EXP0 share lanes. If either one of them is in use, the others will be disabled.
M2_2, SATA3_2, SATA3_3 and SATA_EXP1 share lanes. If either one of them is in use, the others will be disabled.
M2_3, SATA3_4, SATA3_5 and SATA_EXP2 share lanes. If either one of them is in use, the others will be disabled.

rocktalkrock · Feb 18, 2018

gabriel6go8d :

Yes, the NVMe drive does not share any lanes with the Sata drives.

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