Lenovo B41-80 B50-10 B50-30 B50-45 B50-50 B50-70 Laptop 2.5 HDD Hard Drive 500GB Hard Disk Replacement : Amazon.co.uk: Computers & Accessories
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 B50-45 Hard Drive HDD 2.5 W/ WINDOWS 10 PRO 64-BIT | eBay