M 2 Ssd Key Types

M 2 ssd s using the pcie bus are faster than m 2 ssd s using a sata bus.

M 2 ssd key types.

M 2 formerly known as the next generation form factor ngff is a specification for internally mounted computer expansion cards and associated connectors. B is 2x pci and a lot of oem drives are b m keyed. Ssd using the sata bus run at sata speeds regardless of form factor. M 2 replaces the msata standard which uses the pci express mini card physical card layout and connectors.

Note that b keyed m 2 ssds have a different number of pins at the edge 6 vs. Nvme sata m 2 download the infographic nvme non volatile memory express is a communications interface and driver that defines a command set and feature set for pcie based ssds with the goals of increased and efficient performance and interoperability on a broad range of enterprise and client systems. B m and b m. Employing a more flexible physical specification the m 2 allows different module widths and lengths and paired with the.

An m 2 ssd is keyed to prevent insertion of a card connector male to an incompatible socket female on the host. Some motherboards are flexible offering mounting holes for the retention screw at some or all of these intervals. While the m 2 standard uses the same 22 millimeter wide slot for all cards it s not necessarily the exact same. M 2 connectors have different keys.

Size and capacity are two of the m 2 ssd form factor s greatest benefits. To help our customers understand the nuances of m 2 drives we decided to publish this overview of m 2 ssds. As the key positions of b and m are slightly different the m. The pcie bus is faster than a sata bus and an m key ssd is faster than a b key ssd.

M is 4x pci and what you ll find on nvme drives. B m or b m while a socket can only have one key. M 2 is a new form of connectivity that allows a ssd to connect directly to the pci e bus allowing for theoretical speeds as high as 2gb s. This asymmetrical layout prevents users from reversing the m 2 ssds and attempting to plug a b keyed m 2 ssd.

M 2 m key ssd s using the pcie bus are faster than m 2 b key ssd s using the pcie bus. Currently an m 2 ssd has either one of three key types. 22 millimeters wide by 80 millimeters long. The different key types are often labeled on or near the edge connector or gold fingers of the m 2 ssd and also on the m 2 socket.

The m 2 specification identifies 12 key ids on the module card and socket interface but m 2 ssds typically use three common keys. Most m 2 wireless cards support both a and e key slots. The common ones for ssds are b and m. 22 millimeters wide by 110 millimeters long.

M 2 ssd pros and cons. All of these. Ssd can only be installed one way.