Guys i have a Lenovo y520 with ssd for windows and a hard drive for other. and for some reason I've created a Lenovo recovery usb drive and I'm using it and
DIY - replace hdd on ssd Lenovo Legion Y520-15 and Upgrade ram DDR4 to 8GB or 16GB,DIY tourtial - YouTube
How to upgrade the SSD in your Lenovo ThinkPad L390 | Windows Central