Dell Precision M4700 Caddy, 2nd HDD SSD Caddy Bay for Dell Precision M4700
How to install an SSD- NVME - drive in your Dell Precision 7740 - YouTube
Amazon.com: CMS 1TB Mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Precision M3800, Precision Mobile Workstation M4800, Precision Mobile Workstation M6800 - D96 : Electronics
My Dell Precision M4700 performance laptop unboxing and tweaking - YouTube