Tuning the Lenovo T520 - Upgrading Memory and Installing an mSATA SSD • Helge Klein
Lenovo Thinkpad T520 Disassembly video 4K, upgrade RAM & SSD, take a part, how to open - YouTube
OFFTEK 8GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad W520 (Dual Core) (DDR3-12800) Laptop Memory at Amazon.com
Amazon.com: Bfenown 2nd HDD SSD Hard Drive Caddy Tray Replacement for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530, Internal Laptop CD DVD ROM Optical Modular Bay to 2.5 Inch