Amazon.com: 2nd Second HDD SSD Hard Drive Case Optical Bay Caddy Frame Tray Bracket for Lenovo IdeaPad B51-80 B50-30 B50-45 B50-50 B50-70 B50-80 E50-70 : Electronics
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
Lenovo IdeaPad B50-70 - Disassembly and cleaning - YouTube
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