Solved: Inspiron 5570, M.2 slot type? - Dell Community
New 2nd HDD SSD Hard Drive Caddy for Dell Inspiron 15 15R 5521 5537 5535 5567 5548 5558 5721 Laptop Computer, SATA3 Second Solid State Drive Enclosure, Internal CD DVD Optical Bay Adapter Replacement : Electronics
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Dell Inspiron 15r SE 7520 - Install Second Hard Drive - YouTube