Solved: Inspiron 7559 (2016): No SSD tray or screw. Can I still install an SSD? - Dell Community
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Inspiron 15 (7559) - A7 at Amazon.com
Amazon.com: Compatible with Dell INSPIRON 15 7559 only for FullHD non Touch 1920x1080 New Replacement LCD Screen for Laptop LED Full HD Matte : Electronics
Make the Dell Inspiron 15 7559 faster with an SSD and RAM upgrade | Windows Central