ASROCK Z390M Pro4, Manual

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2.8 M.2_SSD (NGFF) Module Installation Guide (M2_1 and
M2_2)
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 Key ty pe 2230/2242/2260/2280 M.2 PCI Express
module up to Gen3 x4 (32 Gb/s). The Ultra M.2 Socket (M2_2) supports M Key type
2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to
Gen3 x4 (32 Gb/s)
* Please be noted that if M2_2 is occupied, SATA3_4 and SATA3_5 will be disabled.
Installing the M.2_SSD (NGFF) Module
Step 1
Prepare a M.2_SSD (NGFF) module
and the screw.
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 3cm 4.2cm 6cm 8cm
Module Type Type2230 Type 2242 Type2260 Type 2280
3
2
4
1