expansion slots: what is socket 1, Key A and how many sl

expansion slots: what is socket 1, Key A and how many sl m 2 slot key m 2 keys in use B, M, and E They're not interchangeable M-key is used for NVMe SSDs, B-key for SATA SSDs and E m2 slot screw A B key holds one or two PCI Express lanes, while an M key holds up to four PCIe lanes The B key edge connector is six pins wide, and the M key edge connector

m2 slot screw 2 M key slot is compatible with both B+M key SSD and M key SSD The last but not least, you should check whether the slot supports PCIe (

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