Best Buy: Lenovo Legion Y520 15.6" Laptop Intel Core i7 8GB Memory NVIDIA GeForce GTX 1050 Ti 1TB Hard Drive Black 80WK001JUS
OFFTEK 16GB Replacement Memory RAM Upgrade for IBM-Lenovo Legion Y520-15IKBN (DDR4-19200) Laptop Memory at Amazon.com
Amazon.com: Laptop Motherboard 5B20N00280 8S5B20N00280 Compatible Replacement Spare Part for Lenovo Legion Y520-15IKBN Series Intel Core i7-7700HQ 2.8GHz SR32Q Processor nVidia GeForce GTX1050TI 4GB GDDR5 : Electronics
How To: Upgrade the RAM and SSD in a Lenovo Legion Y520 Laptop | Wyatt Fleming
New DDR4 Memory RAM PC4-19200 for Lenovo Y520-15IKBN Y520T-25IKL Y720T-34ASU/34IKH Y920-17IKB/34IKZ 13s-IWL V110-15IKB/17IKB - AliExpress
My Lenovo Y520 (i7 7700HQ, 16GB RAM, GTX 1050). 4 years old working every single day. I live in a dusty environment but it has held up pretty well. It ain't much