SATA vs PCIe: the important difference you need to know

Hi Guys, Want to add an extra drive in my laptop, and the second empty slot says this Sata 3 NVME x2 Have ordered this NVME

Supports SATA III II I Transfer Rate up to 6Gbps Full range size 2280, 2260, 2242 of

sata m2 slot Depending on the manufacturer, some computer systems allow both mSATA and PCIe SSDs to be inserted in the memory slot The pins and slots used by the two

sata 3 slot BEYIMEI PCIE SATA Card 16 Ports, 6 Gbit s SATA PCIe Card, PCIe to SATA Controller Expansion Card, Boot as System Hard Drive, Suitable for All PCIE Slots (