DIY - replace hdd on ssd Lenovo Legion Y520-15 and Upgrade ram DDR4 to 8GB or 16GB,DIY tourtial - YouTube
Lenovo Legion Y520-15IKBN Hard Drive Replacement - iFixit Repair Guide
New Original DY520 SATA Hard Disk Line SSD HDD Cable HDD Bracket For Lenovo Legion Y520-15IKB R720 Laptop 5C10Q92894 NBX0001KF10 - AliExpress Computer & Office
Lenovo Legion Y520 review - bang-for-the-buck gaming laptop at under $900