2nd 2.5" HDD SSD Hard Drive SATA Caddy for Lenovo IdeaPad Z50-70 Z51-70 B50-30 | eBay
Amazon.com: 2nd HDD SSD Hard Drive Caddy for Lenovo IdeaPad Z40 Z400 Z500 Z510 Z710 Z50-70 Z50-75 Z51-70 Z50-70 Z50-70 Laptop, SATA3 Second Solid State Disk Enclosure, Internal CD DVD Optical Bay
9.5mm 2nd Hdd Ssd Hard Drive Optical Bay Caddy Frame Adapter For Lenovo G70-70 Z51-70 Z70-80 G40-45 G40-70 G40-75 G40-80 - Laptop Repair Components - AliExpress
Solved! - LENOVO Z51-70 replacing DVD/CD drive with SSD with caddy not recognised by BIOS | Tom's Guide Forum
Lenovo Z51-70 HDD Caddy | HDDCaddy.eu - Need HDD Caddy? Add HDD/SSD in laptop PC.
2nd 2.5" HDD SSD Hard Drive SATA Caddy for Lenovo IdeaPad Z50-70 Z51-70 B50-30 | eBay
Can I replace my Lenovo Z51-70 CPU? It's an i7-5500U which is very bad at multitasking. Can I replace the processor or the motherboard with a higher processor? - Quora
Solved! - LENOVO Z51-70 replacing DVD/CD drive with SSD with caddy not recognised by BIOS | Tom's Guide Forum