M 2 Key Types

The m 2 platform is versatile and supports a wide variety of m 2 cards.

M 2 key types.

This asymmetrical layout prevents users from reversing the m 2 ssds and attempting to plug a b keyed m 2 ssd. Employing a more flexible physical specification the m 2 allows different module widths and lengths and paired with the. Each key exposes a different set of interfaces to each card m 2 can connect directly to the pci express bus but different pins can be used to connect to the usb 2 0 and 3 0 buses sata iii. An m 2 ssd socket can only have one type of key but an m 2 ssd drive can have keyways cut for multiple keys if it supports those socket types.

M 2 logical interfaces. As the key positions of b and m are slightly different the m. Note that b keyed m 2 ssds have a different number of pins at the edge 6 vs. While physical size is the easiest observable way to distinguish the difference between cards the m 2 standard uses a.

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. You will find the key type labeled on or near the edge connector or gold fingers of the ssd. Since m 2 is designed to be used with so many different kinds of devices it has some frustratingly similar looking ports. M 2 replaces the msata standard which uses the pci express mini card physical card layout and connectors.

M keyed m 2 ssds 5. For example the asus z97 a lists the m 2 slot as m 2 socket 3 with m key type 2260 2280 so it supports drives that are 22mm wide and either 60mm or 80mm long with a m key. M 2 key types posted by mya larkin on september 21 2019 how to distinguish the differences between m 2 cards m 2 ngff ssd compatibility list m 2 m key pcie nvme ssd to 2013 2017 macbook 12 16 pin ssd new ngff m 2 key a wifi bluetooth card to mini pci e. B m and b m.

B m or b m while a socket can only have one key. The m 2 specification identifies 12 key ids on the module card and socket interface but m 2 ssds typically use three common keys. M 2 formerly known as the next generation form factor ngff is a specification for internally mounted computer expansion cards and associated connectors. Ssd can only be installed one way.

While the m 2 standard uses the same 22 millimeter wide slot for all cards it s not necessarily the exact same slot. Currently an m 2 ssd has either one of three key types.