ASROCK X399M Taichi, Manual, Page: 35 / 198

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2.8 M.2_SSD (NGFF) Module Installation Guide (M2_1)
The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and
versatile card edge connector that aims to replace mPCIe and mSATA. The Ultra M.2
Socket (M2_1) supports M.2 PCI Express module up to Gen3 x4 (32 Gb/s).
* If U.2 Connector is plugged, M2_1 will be disabled
Installing the M.2_SSD (NGFF) Module
Step 1
Prepare a M.2_SSD (NGFF) module
and the screw.
2
1
3
4
A B C D
Step 2
Depending on the PCB type and
length of your M.2_SSD (NGFF)
module, find the corresponding nut
location to be used.
No. 1 2 3 4
Nut Location A B C D
PCB Length 4.2cm 6cm 8cm 11cm
Module Type Type 2242 Type2260 Type 2280 Type 22110