MSI MEG B550 UNIFY-X Quick Start Manual page 17

Storage
RAID
Continued from previous page
∙ 6x SATA 6Gb/s ports*
∙ 4x M.2 slots (Key M)
▪ M2_1 slot (from CPU)
▫ Supports PCIe 4.0/ 3.0 x4***
▫ Supports SATA 6Gb/s
▫ Supports 2280/ 22110 storage devices
▪ M2_2 slot
▫ Chipset support mode (default, from Chipset ) -
supports PCIe 3.0 x2
▫ CPU support mode (From CPU) - supports PCIe 4.0/
3.0 x4 *** ****
/
▫ Supports 2280 storage devices
▪ M2_3 slot
▫ Chipset support mode (default, from Chipset ) -
supports PCIe 3.0 x2**
▫ CPU support mode (From CPU) - supports PCIe 4.0/
3.0 x4** *** ****
/ /
▫ Supports SATA 6Gb/s*
▫ Supports 2280/ 22110 storage devices
▪ M2_4 slot (from Chipset)
▫ Supports PCIe 3.0 x4
▫ Supports 2280 storage devices
* The SATA5 port will be unavailable when installing M.2 SATA SSD into M2_3.
** The SATA5 and SATA6 ports will be unavailable when installing M.2 PCIe SSD
into M2_3.
*** M.2 specifications may vary depending on the CPU installed.
**** Please refer to PCIe bandwidth configuration table for PCIe & M.2 slots
(page 20) for details.
∙ Supports RAID 0, RAID 1 and RAID 10 for SATA storage
devices
∙ Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe
storage devices
Continued on next page
** (from Chipset)
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5
Specifications