B450M Steel Force and M.2 Slots/Issues

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   I recently got a new build using the fairly new B450M Steel Force with Ryzen 2700.

This MB has the latest firmware v2.0 installed and boots fine.  I have a Silicon Power M.2 256GB Gen3x4 in the Ultra M.2 slot and this is recognized fine.  I also put the same in the 2nd M.2 slot (M2_2) and there is no other Sata devices installed.

Windows installed fine on the M2_1 Ultra and boots fine - no issues.

Part is SU001TBP34A80M28AB - NVMe M.2 PCIe Gen3x4

The 2nd M.2 is not seen at all, it is also the same Silicon Power 256GB M.2.
Identical part #.  Not seen in the BIOS, works fine if I swap with M2_1

Although this is not in QVL and is a Gen3x4, shouldn't it still be recognized,
but run at the slower speed?  Or is there a distinct difference between NVMe
and SATA M.2s?  No right, it's just different bus and speeds.

It it possible that this is something that would be fixed with a firmware update in the future?  Not seen in the BIOS and certainly not Windows Computer
Management.

Any ideas?

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smrtech Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Aug 2017 Location: Springfield, PA Status: Offline Points: 36	Post Options Post Reply Quote smrtech Report Post Thanks(0) Quote Reply Topic: B450M Steel Force and M.2 Slots/Issues Posted: 06 May 2019 at 9:46pm
	I recently got a new build using the fairly new B450M Steel Force with Ryzen 2700. This MB has the latest firmware v2.0 installed and boots fine. I have a Silicon Power M.2 256GB Gen3x4 in the Ultra M.2 slot and this is recognized fine. I also put the same in the 2nd M.2 slot (M2_2) and there is no other Sata devices installed. Windows installed fine on the M2_1 Ultra and boots fine - no issues. Part is SU001TBP34A80M28AB - NVMe M.2 PCIe Gen3x4 The 2nd M.2 is not seen at all, it is also the same Silicon Power 256GB M.2. Identical part #. Not seen in the BIOS, works fine if I swap with M2_1 Although this is not in QVL and is a Gen3x4, shouldn't it still be recognized, but run at the slower speed? Or is there a distinct difference between NVMe and SATA M.2s? No right, it's just different bus and speeds. It it possible that this is something that would be fixed with a firmware update in the future? Not seen in the BIOS and certainly not Windows Computer Management. Any ideas?
	Steel Legend B450M, Ryzen R7 2700,CoolerMaster Q300P Case, CoolerMaster MasterWatt 650

ztevie Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 May 2019 Status: Offline Points: 24	Post Options Post Reply Quote ztevie Report Post Thanks(0) Quote Reply Posted: 07 May 2019 at 2:11pm
	m2_1 is for Nvme ssd cards. m2_2 is for sata ssd cards.... they are nor the same. You can't put a nvme card in m2_2... Well you can, but it won't work.

kschendel Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Aug 2018 Status: Offline Points: 86	Post Options Post Reply Quote kschendel Report Post Thanks(0) Quote Reply Posted: 07 May 2019 at 7:29pm
	SATA and NVMe are totally different interfaces, it's not just different speeds. As stated, the m2_2 slot is SATA only on that board.

smrtech Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Aug 2017 Location: Springfield, PA Status: Offline Points: 36	Post Options Post Reply Quote smrtech Report Post Thanks(0) Quote Reply Posted: 07 May 2019 at 8:58pm
	Yes thank you, this is the first I am reading this explicitly, but I made that assumption when it didn't work. I sent back the 2nd NVMe for M2_2 and ordered a SATA version to use in it's place. Also saved some money.
	Steel Legend B450M, Ryzen R7 2700,CoolerMaster Q300P Case, CoolerMaster MasterWatt 650