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