MSI H170 GAMING M3

M.2/ SATA & SATAe combination table
Slot Available SATA/ SATAe connectors
M2_1 Empty SATA PCIe
SATA_EX1 ✓ ✓ ✓
SATA_EX2
(optional)
✓ ✓ ✓
SATA1 ✓ ─ ✓
SATA2 ✓ ─ ✓
SATA3 ✓ ✓ ─
SATA4 ✓ ✓ ─
SATA5 ✓ ✓ ✓
SATA6 ✓ ✓ ✓
(SATA: M.2 SATA SSD, PCIe: M.2 PCIe SSD, ✓: available, ─: unavailable)
M.2 slots with examples of various combination possibilities
SATA
PCIe
SATA
PCIe
SATA5SATA5 SATA6SATA6
SATA1SATA2
SATA3 SATA3 SATA4 SATA4
1xM.2 SATA SSD + 1xSATAe HDD + 4xSATA
HDDs
1xM.2 SATA SSD + 2xSATAe HDDs + 2xSATA
HDDs
1xM.2 PCIe SSD + 4xSATA HDDs
1xM.2 PCIe SSD + 2xSATAe HDDs
SATA_EX1 SATA_EX1 SATA_EX2
SATA_EX1 SATA_EX2