Asus Prime X399-A User Manual page 38

10. M.2 sockets [M.2_1(Socket 3); M.2_2(Socket 3)]
These sockets allow you to install M.2 SSD modules.
PRIME X399-A M.2 sockets
•
•
The M.2 SSD module is purchased separately.
11. U.2 connector (U.2)
This motherboard comes with a U.2 connector which supports PCIe 3.0 x4 NVM
Express storage devices.
PRIME X399-A U.2 connector
1-24
M.2_1 socket supports PCIe 3.0 x4 and SATA mode M Key design and type 2242 /
2260 / 2280 PCIe and SATA storage devices.
M.2_2 socket supports PCIe 3.0 x4 and SATA mode vertical M Key design and type
2242 / 2260 / 2280 / 22110 PCIe storage devices.
A
M.2_2(SOCKET3)
A
2280
B
U.2
Chapter 1: Product Introduction
B
M.2_1(SOCKET3)
2260 2242