New Original DY520 SATA Hard Disk Line SSD HDD Cable HDD Bracket For Lenovo Legion Y520-15IKB R720 Laptop 5C10Q92894 NBX0001KF10 - AliExpress Computer & Office
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DIY - replace hdd on ssd Lenovo Legion Y520-15 and Upgrade ram DDR4 to 8GB or 16GB,DIY tourtial - YouTube
How To: Upgrade the RAM and SSD in a Lenovo Legion Y520 Laptop | Wyatt Fleming