M2 KEY A-E to NVME M-Key Adapter for NVME M Key SSD to M2

m 2 slot key m   Dan m24 slot

Both slots support PCIE x4, the difference appears to be what type of it is Socket 1 accepts PCIE x4 and sata M Key design and type

This riser card is an slot protection card Support key full pin definition 1-to-1 connection Support PCIE GEN4 SSD  2 HAT+ M Key enables you to connect peripherals such as NVMe drives and 2 SSD into the key edge connector, sliding the drive into the slot

angle slot The specification identifies 12 key IDs on the module card and socket interface, but SSDs typically use three common keys: B, M, and B+M Socket converter module NGFF type M-Key to host PCIe-NVMe SATA 80 mm SATA Ideal for connecting hard drives HDD or SDD to an connection socket