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M.2 Form Factor

The M.2 Form Factor, previously known as NGFF or Next Generation Form Factor is another form factor other than Mini-PCIe.

Gateworks uses Mini-PCIe connectors on most of their single board computers.

There are many keying interfaces, with the most popular being B & M. Read more here:

Typically for a modem needing USB, this would utilize the B-Key which has PCIe ×2, SATA, USB 2.0 and 3.0, audio, UIM, HSIC, SSIC, I2C and SMBus. Even though these other signals are available, typically the modem will only require the USB signals.

The M key has PCIe ×4, SATA and SMBUS. Gateworks does not have any Mini-PCIe slots with 4x PCIe lanes, thus utilizing an adapter will not necessarily provide the full set of signals.

If it is required to use a M.2 on a Gateworks SBC, Gateworks sells the GW16140 Mini-PCIe to M.2 Adapter.

GW16140 Mini-PCIe to M.2 Adapter

This adapter allows you to plug in a M.2 modem to a Gateworks Mini-PCIe slot on the SBC.

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