MSI Z97S SLI PLUS Manual page 37

M2_1: M.2 Connector
The M.2 port supports both M.2 SATA 6Gb/s module or M.2 PCIe module.
Important
• The M.2 port will be unavailable when installing a SATA/ SATA Express device in
the SATA5/ SATA6/ SATA Express port.
M.2 PCIe interface only supports UEFI option ROM, NOT support legacy option
•
ROM.
M.2 PCIe interface does not support RAID 0, RAID1, RAID 5 and RAID 10.
•
SATA_EX1: SATA Express Connector
The SATA Express, a new high performance storage interface, supports 1 or 2 SATA
devices (see the SATA connectors section) or 1 PCIe (SATA Express interface)
device with up to 10 Gb/s transfer rate. Connects the PCIe (SATA Express interface)
device with the SATA Express connector by a SATA Express cable.
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