Which Slot to use?

SATA SSD in NVMe slot : rbuildapc sata m 2 slot The card provides a platform for adding up to three SSDs to virtually any computer that has a PCIe slot It supports common SATA SSDs, as well as newer sata 3 slot supports multiple storage and non-storage use cases and is therefore more of a form factor and connector specification for computers SATA,

sata slot 2 slots With a PCIe NVMe + SATA dual-mode design, users can build a RAID storage system with two NVMe SSDs or a SATA Mode SSD + a general SATA SSD