Appreciatev for advise and Thank a lot
Dear All,  I was using above notebook almost 4 Years, I was only to use on trip a few few usage, I wish to add SSD on my notebook but I did not know which type of SSD can be use... I understand My notebook kind of out date......plus using Window 7 It was because my company system need to using IE 11 for working  I cannot upgrade to window 10 or 11, plus still need to using IE That why I still keep this...I wish to purchase below  WD_BLACK 500GB SN750 NVMe Internal SSD Solid State Drive - Gen3 PCIe, -DS500G3X0C Can it add it plus do I need the disk of window 7 when install ??? Many Thanks to all....   Alex
Inspiron 15 5000 Series (Intel(R)) - 5559 (1) - Add SSD