LENOVO B50-80 - SSD Solid State Drive 2.5 W/ Windows 10 64-Bit | eBay
Lenovo B50-80 Teardown Guide - iFixit
Amazon.com: 2nd HDD SSD Hard Drive Optical Caddy Frame Adapter for Lenovo B50-40 B50-45 B50-70 B50-80 B51-35 B51-40 B51-45 Series with Bezel Front Panel Faceplate Metal Bracket Holder : Electronics