How are PCIe Expansion cards not way more popular

SSD to PCIE Adapter Card for Key M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8 x16 Slot 256 MB GDDR5 Graphics Card only for Rs 877 from

Enjoy extremely fast transfer speeds via PCIe lanes Includes a heatsink and thermal padding SSD bus interface: NVMe

pcie 4 slot 112-layer TLC Interface: PCIe x4 Seq read: 7,300 MBs M2 slot 7,300 MBs sequential reads and 6,800 MBs writes puts it

pcie m2 slot The PEDET should be irrelevant It is pulled up by host and it selects between SATA and PCIe mode in Key M based on insertion of SATA or