Currently an m 2 ssd has either one of three key types.
M key type 2242 2260 2280.
Wanmingtek aluminum m 2 ngff to usb 3 0 m 2 ssd enclosure external ssd enclosure sata based m 2 for 2230 2242 2260 2280 solid state drive with key b key b m model.
B m and b m.
Extended to 4 x m 2 internal connectors socket 3 m key type 2242 2260 2280 22110 pcie x4 ssd support support for raid 0 raid 1 and raid 10 supported raid levels vary by platform.
As the key positions of b and m are slightly different the m.
You will find the key type labeled on or near the edge connector or gold fingers of the ssd.
Ssd can only be installed one way.
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.
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.
Siig full speed m 2 m key nvme ssd to pcie adapter pci express x16 card with heatsink supports windows 7 8 10 supports 2230 2242 2260 2280 form factor m 2 ssds 3 9 out of 5 stars 19 27 70 27.
M 2 replaces the msata standard which uses the pci express mini card physical card layout and connectors.
Employing a more flexible physical specification the m 2 allows different module widths and lengths and paired with the.