The motherboard slot #1 shares bandwidth with a SATA Gb

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If the z390-F is anything like the z370-e The does disable 2 of the SATA ports if used However the does NOT So if you use only

The SATA port is used for connecting storage components to your computer's motherboard SATA uses two ports: The data connector and The Advantage · Utilize a free expansion card slot to add a removable SATA hard drive bay · Vented aluminumsteel design and

situs slot gacor new member SATA card for PCIe x1 slot with 8 ports Bizarro  Dual-Slot to SATA Adapter - SATA Adapter for ' Drive Bay - Adapter - SSD Adapter - NGFF SSD Adapter