500GB 2.5" SATA Laptop HDD Hard Drive for Dell Inspiron 15 3520 3521 Notebooks | eBay
Amazon.com: DY-tech 2nd SSD HDD Hard Drive Caddy for Dell Inspiron 15 3521 3537 5555 5558 5559 SU-208GB : Electronics
A Dell Inspiron 3537 i5 4200U laptop was upgraded with a new SATA SSD instead of the HDD then I replaced HDD with DVD drive using a caddy. It's been working properly