M.2 drive and slot numbering
Use this information to locate the M.2 drive and slot numbering
M.2 boot adapter
Figure 1. M.2 boot adapter


1 Drive 0 | 2 Drive 1 |
M.2 data adapter
Figure 2. M.2 data adapter


1 Drive 2 or 9 | 3 Drive 5 or 6 |
2 Drive 4 or 7 | 4 Drive 3 or 8 |
The following tables demonstrate the M.2 drive and slot numbering.
PCIe and M.2 riser assembly
Left-wing (M.2 data adapter) Right-wing (PCIe adapter) The drive numbering on the adapter The slot numbering in the UEFI Setup Menu The drive numbering on the adapter The slot numbering in the UEFI Setup Menu Drive 2 Slot 2 PCIe adapter Slot 6 Drive 3 Slot 3 Drive 4 Slot 4 Drive 5 Slot 5 Left-wing (M.2 data adapter with hardware RAID) Right-wing (PCIe adapter) The drive numbering on the adapter The slot numbering in the UEFI Setup Menu The drive numbering on the adapter The slot numbering in the UEFI Setup Menu Drive 2 Slot 2/3 PCIe adapter Slot 6 Drive 3 Drive 4 Slot 4/5 Drive 5 M.2 riser assembly with two M.2 data adapters
Left-wing (M.2 data adapter) Right-wing (M.2 data adapter) The drive numbering on the adapter The slot numbering in the UEFI Setup Menu The drive numbering on the adapter The slot numbering in the UEFI Setup Menu Drive 2 Slot 2 Drive 9 Slot 9 Drive 3 Slot 3 Drive 8 Slot 8 Drive 4 Slot 4 Drive 7 Slot 7 Drive 5 Slot 5 Drive 6 Slot 6 Left-wing (M.2 data adapter with hardware RAID) Right-wing (M.2 data adapter with hardware RAID) The drive numbering on the adapter The slot numbering in the UEFI Setup Menu The drive numbering on the adapter The slot numbering in the UEFI Setup Menu Drive 2 Slot 2/3 Drive 9 Slot 8/9 Drive 3 Drive 8 Drive 4 Slot 4/5 Drive 7 Slot 6/7 Drive 5 Drive 6
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