	M.2 Products Selection Guide M.2 Key A, E, B , M Extender, mPCIe / PCI-E 1x~16x Extender...etc

Host Side

M.2 Key A / E

Host Side M.2 Key B

Host Side M.2 Key B+M

Host Side M.2 Key M

	Backend Side
	M.2 Slot					PCI-E Slot
Host Side	Key A Slot	Key B Slot	Key E Slot	Key M Slot	Other	PCI-E 1x ~ 16 x slot	U.2 / SFF-8639 Slot
M.2 Key M	M2E Wireless				PM951-NVMe-512G PM951-NVMe-256G PM951-NVMe-128G SM951-NVMe-512G SM951-NVMe-256G SM951-NVMe-128G SM951-AHCI-512G SM951-AHCI-256G SM951-AHCI-128G M.2 PCIe SSD	PE4C-M4060D V4.2 PE4C-M4060A V4.1 P4SM2 PCIe SSD socket	M2F U.2 / SFF-8639

Host Side mPCIe

	Backend Side
	M.2 Slot					PCI-E Slot
Host Side	Key A Slot	Key B Slot	Key E Slot	Key M Slot	Key B+M Slot	PCI-E 1x ~ 16 x slot
mPCIe	M2MP3-A for Second PCIe Lane M2MP1 for First PCIe Lane	M2MU2 for 3G/4G M2MS1 for mSATA P29S-P29F for M.2 SATA MM4U-DB4U for 3G/4G	M2MP3-E for Second PCIe Lane M2MP1-E for First PCIe Lane		M2MS1 for mSATA

Host Side PCI-E 1x

Host Side PCI-E 4x

Host Side USB

Host Side SATA

Host Side SD Card

for M.2 PCIe SSD Card

Host Side	Backend Side
	M.2 Slot
	Key A Slot	Key B Slot	Key E Slot	Key M Slot	Other
M.2 Key M					PM951-NVMe-512G PM951-NVMe-256G PM951-NVMe-128G SM951-NVMe-512G SM951-NVMe-256G SM951-NVMe-128G SM951-AHCI-512G SM951-AHCI-256G SM951-AHCI-128G M.2 PCIe SSD
PCI-E 4X				M2P4A M2P4B M2P4S PCIe SSD
USB				U3M2M AHCI PCIe SSD
M.2 Key A / E				P12S-P12F-M for PCIe SSD

for M.2 mSATA SSD Card

Host Side	Backend Side
	M.2 Slot
	Key A Slot	Key B Slot	Key E Slot	Key M Slot	Key B+M Slot
SATA		SSDM2 M2S4C M2PS SATA-based SSD			SSDM2 SATA-based SSD
USB		U3M2B SATA-based SSD			U3M2B SATA-based SSD
mPCIe		P29S-P29F for M.2 SATA M2MS1 SATA-based SSD			M2MS1 SATA-based SSD
M.2 Key A / E		P12S-P12F SATA-based SSD

for 3G / 4G / LTE / Wireless M.2 Card

Host Side	Backend Side
	M.2 Slot
	Key A Slot	Key B Slot	Key E Slot	Key M Slot	Key B+M Slot	Other
PCI-E 1X	MP8605A 802.11ad M2P2H MP2M for Wireless		MP8605A 802.11ad M2P2H MP2M for Wireless
USB		USBM2 for 3G/4G/LTE
mPCIe	M2MP3-A for Second PCIe Lane M2MP1 for First PCIe Lane	M2MS1 for mSATA	M2MP3-E for Second PCIe Lane M2MP1-E for First PCIe Lane
M.2 Key A / E						17265.NGWG 8260NGW 7265NGW 7260NGW for Wireless
M.2 Key M	M2E Wireless

for SATA

M.2 Accessory

M.2 Bracket	Stand off
M2PAD V2.0	M.2 Stand off

M.2 Slot

Host Side