The Socket 3 and SATA Express slot share the same PCIe

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

Socket 3: SSD Drive Socket with SATA or up to four PCIe lanes Important Notes: Please refer to your motherboard documentation to make sure that

sata 3 slot SATA Express Revision of the Serial ATA specification standardizes 2 slots can use either two lanes from the chipset itself, or up to

sata slot I have a hp pavilion DV7 It has a SATA 3 slot for 1 HDD but it's no regular sata cable and power cable: it's integrated in one cable