Dell Precision 5550 is the full-on refresh of the Precision 5540 in the same vein as the XPS 15 9500, but performance hasn't really changed - NotebookCheck.net News
Dell Precision 5550 Workstation Review: The XPS 15 For Professionals - NotebookCheck.net Reviews
Dell Precision 5550 Setup and Specifications
130W Type-C Charger Fit for Dell-Precision 5550 5560 P91F P91F002 P91F002 Laptop Power Supply Adapter Cord