16GB Memory for ASUS TUF Notebook Gaming FX504, FX505 DDR4 2666MHz PC4-21300 RAM | eBay
What Can You Upgrade In The ASUS TUF Gaming FX505D? – Pokde.Net
ASUS TUF Gaming FX505 - Ryzen 7 3750H · GTX 1650 · 15.6”, Full HD (1920 x 1080), IPS · 1TB SSD · 16GB DDR4 · Windows 10 Home · 32GB USB Card | LaptopMedia.com
ASUS TUF FX505 Gaming and Entertainment Laptop (AMD Ryzen 7 3750H 4-Core, 16GB RAM, 128GB PCIe SSD + 500GB HDD, 15.6" Full HD (1920x1080), Win 10 Home) with ATLAS Backpack , Harrier