B450 Pro M2_1

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   Dear rakun9,
Thank you for the posting.

The M.2_1 only impact the PCIe_4, the other PCIe slot will remain as the spec mentioned.

Thank you,

Best wishes,
ASRock TSD

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ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8532	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Topic: B450 Pro M2_1 Posted: 10 Aug 2021 at 2:43pm
	Dear rakun9, Thank you for the posting. The M.2_1 only impact the PCIe_4, the other PCIe slot will remain as the spec mentioned. Thank you, Best wishes, ASRock TSD

rakun9 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 09 Aug 2021 Status: Offline Points: 20	Post Options Post Reply Quote rakun9 Report Post Thanks(0) Quote Reply Posted: 09 Aug 2021 at 12:31pm
	Information from manual: AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge) ??2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode; PCIE4: x4 mode)* AMD Ryzen series CPUs (Raven Ridge) ??2 x PCI Express 3.0 x16 Slots (PCIE2: x8 mode; PCIE4: x4 mode)* * Supports NVMe SSD as boot disks * If M2_1 is occupied, PCIE4 will be disabled. ??4 x PCI Express 2.0 x1 Slots ??Supports AMD Quad CrossFireXTM and CrossFireXTM This feature is only supported with Ryzen Series CPUs (Summit Ridge, Pinnacle Ridge and Raven Ridge). Question if slot M2_1 is occupied, all pci express become pcie2? is Seagate Barracuda Q5 SSD 500GB Hardisk Internal [ZP500CV30001] can be use in slot M2_1? Thanks you