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I have bought a SSD with M.2 socket (B & M) key, but my computer just have a B key socket. My question is if I can connect the SSD in this B socket, and would it work correctly?

SSD sockets

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    Are the B and M key on the picture not reversed? What is here named B key ( on the right) supports 4 pcie lanes
    – Annaray
    Commented Jun 16, 2018 at 11:11
  • The picture is from wikipedia, en.wikipedia.org/wiki/M.2
    – kimo pryvt
    Commented Jun 19, 2018 at 22:23

2 Answers 2

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It should... a B&M module should work with either a B or M socket, this is by design.

The B interface provides x2 PCIe, SATA, USB 2.0 and 3.0, audio, UIM, HSIC, SSIC, I2C, and SMBus support. The M interface provides x4 PCIe, SATA, and SMBus.

If your module is B&M SATA (most likely), connecting it to a B or M socket should work fine since both types support SATA.

Of course, being a bootable device is another story, this depends on your hardware and UEFI.

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No, you cannot. If the socket only have 1 keyed, then you have to only insert 1 keyed NOT B+M keyed m.2. i already tried, its not working.

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    Their SSD can be installed in a M.2 slot with a B or M slot. Their SSD absolutely is supported.
    – Ramhound
    Commented May 7, 2019 at 1:57

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