M2 Key M

B m and b m.

M2 key m.

Currently an m 2 ssd has either one of three key types. An m 2 ssd is keyed to prevent insertion of a card connector male to an incompatible socket female on the host. Typically the m s range from m0 to m3 with m2 typically. As the key positions of b and m are slightly different the m.

M 2 formerly known as the next generation form factor ngff is a specification for internally mounted computer expansion cards and associated connectors. The m 2 specification identifies 12 key ids on the module card and socket interface but m 2 ssds typically use three common keys. M2 is a measure of the money supply that includes cash checking deposits and easily convertible near money. Ssd can only be installed one way.

Employing a more flexible physical specification the m 2 allows different module widths and lengths and paired with the. Some motherboards are flexible offering mounting holes for the retention screw at some or all of these intervals. A b keying pins 12 19 gives pci express ssds up to 2x lanes of bandwidth while a m keying pins 59 66 provides pci express ssds with. While the m 2 standard uses the same 22 millimeter wide slot for all cards it s not necessarily the exact same.

22 millimeters wide by 80 millimeters long. B m or b m while a socket can only have one key.