SIMB-354 features a high-performance Serial ATA interface (up to 300 MB/s) that
allows cabling to hard drives using long, thin cables.
Note!
SATA2 is only supported when mSATA is not in use. SATA2 and
mSATA cannot be used concurrently.
2.11
PCI-Express x1 Slot (PCIEX1)
The SIMB-354 features one PCIe x1 slot.
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SIMB-354 User Manual