I want to upgrade the SSD of my laptop Need some help with

I want to upgrade the SSD of my laptop Need some help with nvme m 2 slot laptop 2 interface to accommodate, HP EliteBook 820 G2 Notebook PC nvme slot types 2 drive My astonishment came when i saw there is no screw or holder of any kind to fix the drive Please see the picture of the 2nd slot

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nvme pcie slot laptop expansion card interface called ExpressCard On the contrary, the L-series among others can only support cards using the PCIe standard in the WWAN Two types of SSD · SSDs using the SATA bus tend to use B-keys · SSDs using the PCIe x2 bus can use both B-keys and M-keys (to maximize