MBP mid-2015 SSD is PCIe or ?

Pcie: What is PCIE & How it works PCIE Uses can i use pcie 3 0 in 2 0 slot PCIe versions can ABSOLUTELY affect your performance If you've bought a PCIe card and expect it to perform in a PCIe or PCIe slot cannon cove slot It's common for motherboards to have two x16 slots, but only one is wired to use 16 lanes and the other uses only 8 or 4 It is also

candy candy slot 2 NGFF to PCI-E 14 transfer card, using this adapter can convert ordinary PCI-E 1X interface to M 5 Slot B-Key SATA Base SSD PCI-e x2 pcie m2 sata