Different M 2 Slots. Wifi bluetooth etc only have chips on the upward facing side this means that greater capacity drives are usually longer since they require more storage nand chips. M 2 ssds with b m keying maximize compatibility in both slots and will operate with 2x lanes of bandwidth.
High end ssds as well as recent motherboards will have to use an m key slot as this is the only type that provides four lanes of bandwidth or 20 gbit s also known as pcie x4. M 2 module codes contain both the width and length of a particular module. M 2 to pci e x4 adapter that can take multiple lengths of drives.
Three different key types or notch styles may be used by m 2 ssds.
Initial line up of the commercially available m 2 expansion cards is 22 mm wide with varying lengths of 30 42 60 80 and 110 mm. In this post minitool provides you with detailed information about the m 2 slot. Three different key types or notch styles may be used by m 2 ssds. For example 2242 as a module code means that the module is 22 mm wide and 42 mm long while 2280 denotes a module 22 mm wide and 80 mm long.
